diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 000a9c3..2daebb9 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -108,7 +108,7 @@ repos:
           - gatelock @ git+https://github.com/kuhyx/utils@gatelock-v0.9.0#subdirectory=gatelock
           - crdt-sync @ git+https://github.com/kuhyx/utils@crdt-sync-v0.9.2#subdirectory=crdt-sync
           - freedays @ git+https://github.com/kuhyx/utils@freedays-v0.4.0#subdirectory=freedays
-          - sickdays @ git+https://github.com/kuhyx/utils@sickdays-v0.1.0#subdirectory=sickdays
+          - sickdays @ git+https://github.com/kuhyx/utils@sickdays-v0.2.0#subdirectory=sickdays
         # Test suites intentionally use patterns (protected-access, magic-value
         # comparisons) that don't belong in the source-code 10/10 gate.
         exclude: ^(\.venv/)|(^|/)(tests/|conftest\.py)
diff --git a/DOCS-wake-enforcement.md b/DOCS-wake-enforcement.md
index 34af19e..a51478c 100644
--- a/DOCS-wake-enforcement.md
+++ b/DOCS-wake-enforcement.md
@@ -78,7 +78,7 @@ wake-alarm, todo) — narrower than the night list.
 
 ### Sick days (PC side, 2026-10-16)
 
-A sick day is a date in the shared `sickdays` pool (`~/src/utils/sickdays`):
+A sick day (that does not keep `alarm`, see below) is a date in the shared `sickdays` pool (`~/src/utils/sickdays`):
 uncapped, no reason, today or later, and **not a free day** -- its own pool,
 its own reason strings (`sick_day` / `sick day`). On a sick day `D` (the
 alarm's day, so the RTC asks about *tomorrow* the evening before):
@@ -109,12 +109,21 @@ has pulled from `A-5`. `--dry-run` / `--show` never pull (a pull rewrites
 the pool file).
 
 **Other readers of `workday_penalty.json`** (screen-locker, leetcode-guard)
-must treat the file as void when **either** `issued_date` **or**
-`penalty_date` is a sick day (`sickdays.is_sick_day(date.fromisoformat(...))`).
-`issued_date` covers a miss at 08:15 marked sick at 14:00 -- the deletion
-runs on the next RTC tick (<= 15 min) or the next morning's refresh, and a
-reader must not depend on that; `penalty_date` is a sick day on which every
-locker stands down anyway.
+must treat the file as void when **either** its `issued_date` is a day the
+*alarm* stands down on (`sickdays.stands_down(sickdays.LOCKER_ALARM,
+date.fromisoformat(issued_date))`) **or** its `penalty_date` is a day *their
+own* locker stands down on (`stands_down(LOCKER_WORKOUT, ...)` for
+screen-locker, `LOCKER_LEETCODE` for leetcode-guard). `issued_date` covers a
+miss at 08:15 marked sick at 14:00 -- the deletion runs on the next RTC tick
+(<= 15 min) or the next morning's refresh, and a reader must not depend on
+that; the ring day belongs to the alarm switch, the penalty day to whatever
+the penalty charges.
+
+**Keeping the alarm (`sickdays` 0.2.0).** A sick day may keep lockers
+(`sickdays add --keep alarm`). Everything in the table above is the single
+`alarm` switch (`_sick.alarm_stands_down`): on a sick day that keeps `alarm`
+the fallback ring, RTC self-wake, trigger, workday penalty (written, and not
+retracted) and audit behave exactly as on a normal stick day.
 
 **Phone, assumed name:** the phone's `alarm_fired` on a sick day carries
 `data.reason = "sick_day"` (by analogy with `free_day`); the audit treats
diff --git a/pyproject.toml b/pyproject.toml
index 701d2e1..d337712 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ dependencies = [
     "freedays @ git+https://github.com/kuhyx/utils@freedays-v0.4.0#subdirectory=freedays",
     # Sick days stand the PC's enforcement down (_sick.py). Imported behind
     # a guard: missing means "not sick", never a crashed tick.
-    "sickdays @ git+https://github.com/kuhyx/utils@sickdays-v0.1.0#subdirectory=sickdays",
+    "sickdays @ git+https://github.com/kuhyx/utils@sickdays-v0.2.0#subdirectory=sickdays",
 ]
 
 # Package discovery must be explicit: phone_app/ is a Flutter app, not a Python
diff --git a/requirements.txt b/requirements.txt
index 7665d35..c2230b1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,4 +17,4 @@ pytest-randomly==5.0.0
 pytest-sugar==1.1.1
 pytest-xdist==3.8.0
 ruff==0.17.1
-sickdays @ git+https://github.com/kuhyx/utils@sickdays-v0.1.0#subdirectory=sickdays
+sickdays @ git+https://github.com/kuhyx/utils@sickdays-v0.2.0#subdirectory=sickdays
diff --git a/wake_alarm/_audit.py b/wake_alarm/_audit.py
index 1d8e2c9..6df69d1 100644
--- a/wake_alarm/_audit.py
+++ b/wake_alarm/_audit.py
@@ -36,7 +36,7 @@ from wake_alarm._enforcement_records import parse_instant
 from wake_alarm._events import emit
 from wake_alarm._fallback_policy import alarm_instant
 from wake_alarm._logging_setup import configure_logging
-from wake_alarm._sick import is_sick
+from wake_alarm._sick import alarm_stands_down
 from wake_alarm._sync import get_alarm
 from wake_alarm._sync_transport import fetch_firebase_logs
 from wake_alarm._workday_penalty import issued_date
@@ -65,7 +65,7 @@ def gather(day: date) -> tuple[Evidence, bool]:
         day=day,
         stick_day=freedays.is_workday(day),
         free_day=freedays.is_free_day(day),
-        sick_day=is_sick(day),
+        sick_day=alarm_stands_down(day),
         alarm_at=alarm_at,
         alarm_source=source,
         pc_side=PcSide(
diff --git a/wake_alarm/_fallback.py b/wake_alarm/_fallback.py
index 55487d5..29a72cf 100644
--- a/wake_alarm/_fallback.py
+++ b/wake_alarm/_fallback.py
@@ -44,7 +44,7 @@ from wake_alarm._fallback_policy import (
 from wake_alarm._fallback_ring import ring
 from wake_alarm._logging_setup import configure_logging
 from wake_alarm._ring_wav import SYSTEM_WAV_DIR, USER_WAV_DIR, ensure_pair
-from wake_alarm._sick import is_sick
+from wake_alarm._sick import alarm_stands_down
 from wake_alarm._sync import get_alarm
 
 if TYPE_CHECKING:
@@ -150,7 +150,7 @@ def show(now: datetime) -> str:
     return (
         f"today {day}: A={alarm_at:%H:%M} "
         f"free_day={freedays.is_free_day(now.date())} "
-        f"sick_day={is_sick(now.date())}\n"
+        f"sick_day={alarm_stands_down(now.date())}\n"
         f"  latch={read_latch(day)}\n"
         f"  last fallback_tick={last_value('fallback_tick')}\n"
         f"  settled={settled_reason(day, read_latch(day))}\n"
diff --git a/wake_alarm/_fallback_observe.py b/wake_alarm/_fallback_observe.py
index 2bab023..5282e57 100644
--- a/wake_alarm/_fallback_observe.py
+++ b/wake_alarm/_fallback_observe.py
@@ -23,7 +23,7 @@ from wake_alarm._fallback_policy import (
     needs_facts,
 )
 from wake_alarm._session_payload import newest_session
-from wake_alarm._sick import is_sick, is_sick_synced
+from wake_alarm._sick import alarm_stands_down, alarm_stands_down_synced
 from wake_alarm._sync import get_alarm
 from wake_alarm._sync_transport import fetch_firebase_logs
 
@@ -58,8 +58,8 @@ def _sick_today(now: datetime, *, online: bool, sync: bool) -> bool:
     the ring at the next poll, and an off-window tick stays local.
     """
     if online and sync:
-        return is_sick_synced(now.date())
-    return is_sick(now.date())
+        return alarm_stands_down_synced(now.date())
+    return alarm_stands_down(now.date())
 
 
 def observe(now: datetime, *, sync: bool) -> Observation:
diff --git a/wake_alarm/_rtc.py b/wake_alarm/_rtc.py
index 7bd1e59..ba069a9 100644
--- a/wake_alarm/_rtc.py
+++ b/wake_alarm/_rtc.py
@@ -47,7 +47,7 @@ from wake_alarm._fallback_policy import alarm_instant
 from wake_alarm._logging_setup import configure_logging
 from wake_alarm._pc_wake_mode import read_mode
 from wake_alarm._rtc_hw import arm, current_alarm, disarm_ours, read_record
-from wake_alarm._sick import is_sick, is_sick_synced
+from wake_alarm._sick import alarm_stands_down, alarm_stands_down_synced
 from wake_alarm._sync import Alarm, get_alarm
 from wake_alarm._workday_penalty import cancel_for_sick_day
 
@@ -76,7 +76,7 @@ def _now() -> datetime:
 
 
 def plan(
-    now: datetime, alarm: Alarm, *, sick: Callable[[date], bool] = is_sick
+    now: datetime, alarm: Alarm, *, sick: Callable[[date], bool] = alarm_stands_down
 ) -> Plan:
     """Which morning is next, and whether it is one to wake the PC for.
 
@@ -164,7 +164,7 @@ def main(argv: list[str] | None = None) -> int:
     if args.arm:
         configure_logging(component="rtc")
         cancel_for_sick_day()
-        chosen = plan(now, get_alarm(), sick=is_sick_synced)
+        chosen = plan(now, get_alarm(), sick=alarm_stands_down_synced)
         return 0 if apply(chosen) or not chosen.arm else 1
     chosen = plan(now, get_alarm())
     sys.stdout.write(describe(chosen))
diff --git a/wake_alarm/_sick.py b/wake_alarm/_sick.py
index 86d6263..8b031bf 100644
--- a/wake_alarm/_sick.py
+++ b/wake_alarm/_sick.py
@@ -4,12 +4,17 @@ A sick day (``~/src/utils/sickdays``) is not a free day -- a separate pool,
 no cap, no reason -- but on the PC it stands down the same things: no
 fallback ring, no RTC self-wake, no workday penalty, no morning routine.
 
+All of that is **one switch**: the ``alarm`` locker. A sick day may *keep*
+the alarm (``sickdays`` 0.2.0), and then every piece above behaves exactly as
+on a normal day, so the question this module answers is
+``stands_down(LOCKER_ALARM, day)``, never plain ``is_sick_day``.
+
 Two rules this module exists to keep in one spot:
 
-* **Fail closed.** ``sickdays.is_sick_day`` never raises and reads a corrupt
+* **Fail closed.** ``sickdays.stands_down`` never raises and reads a corrupt
   pool as "not sick". The import is guarded as well: these jobs run under
   ``/usr/bin/python``, and a package that failed to install must leave
-  enforcement *on* (not sick), never crash the per-minute tick -- a crashed
+  enforcement *on* (not standing down), never crash the per-minute tick -- a crashed
   tick rings nothing.
 * **Sync only where something is about to happen, never in a read-only
   mode.** ``sync_quietly`` rewrites the local pool, so ``--dry-run`` and
@@ -38,9 +43,12 @@ if TYPE_CHECKING:
     from datetime import date
 
 
-def is_sick(day: date) -> bool:
-    """Whether ``day`` is a sick day; local file only, never raises."""
-    return _AVAILABLE and sickdays.is_sick_day(day)
+def alarm_stands_down(day: date) -> bool:
+    """Whether the alarm is switched off on ``day``; local file, never raises.
+
+    True iff ``day`` is sick and its keep set does not hold the alarm.
+    """
+    return _AVAILABLE and sickdays.stands_down(sickdays.LOCKER_ALARM, day)
 
 
 def sync() -> bool:
@@ -48,7 +56,7 @@ def sync() -> bool:
     return _AVAILABLE and sickdays.sync_quietly()
 
 
-def is_sick_synced(day: date) -> bool:
-    """:func:`is_sick` after a fresh :func:`sync` -- for act modes only."""
+def alarm_stands_down_synced(day: date) -> bool:
+    """:func:`alarm_stands_down` after a fresh :func:`sync` -- act modes only."""
     sync()
-    return is_sick(day)
+    return alarm_stands_down(day)
diff --git a/wake_alarm/_trigger.py b/wake_alarm/_trigger.py
index 2d581a6..ddb0711 100644
--- a/wake_alarm/_trigger.py
+++ b/wake_alarm/_trigger.py
@@ -35,7 +35,7 @@ from wake_alarm._constants import (
     TRIGGER_TARGET_UNIT,
 )
 from wake_alarm._logging_setup import configure_logging
-from wake_alarm._sick import is_sick
+from wake_alarm._sick import alarm_stands_down
 from wake_alarm._state import (
     save_trigger_fired,
     was_trigger_fired_today,
@@ -101,7 +101,7 @@ def _skip_reason(now: datetime) -> str | None:
     """
     if freedays.is_free_day(now.date()):
         return "free day"
-    if is_sick(now.date()):
+    if alarm_stands_down(now.date()):
         return "sick day"
     if now.weekday() not in ALARM_DAYS:
         return "not an alarm day"
diff --git a/wake_alarm/_workday_penalty.py b/wake_alarm/_workday_penalty.py
index 15d7ebf..552b924 100644
--- a/wake_alarm/_workday_penalty.py
+++ b/wake_alarm/_workday_penalty.py
@@ -34,7 +34,7 @@ from gatelock.log_integrity import compute_entry_hmac
 from wake_alarm._constants import WORKDAY_PENALTY_FILE
 from wake_alarm._events import emit
 from wake_alarm._session_policy import NONE_OUTCOME
-from wake_alarm._sick import is_sick, is_sick_synced
+from wake_alarm._sick import alarm_stands_down, alarm_stands_down_synced
 
 _logger = logging.getLogger(__name__)
 
@@ -144,7 +144,7 @@ def cancel_for_sick_day() -> bool:
         day = date.fromisoformat(issued)
     except ValueError:
         return False
-    return is_sick(day) and _cancel(issued, "sick_day")
+    return alarm_stands_down(day) and _cancel(issued, "sick_day")
 
 
 def skip_reason(
@@ -161,7 +161,7 @@ def skip_reason(
         return "free day"
     if not is_stick_day(today):
         return "not a stick day"
-    if is_sick(today):
+    if alarm_stands_down(today):
         return "sick day"
     if not is_workday_miss(entry, now):
         return "no miss"
@@ -192,7 +192,7 @@ def maybe_apply(
         return False
     today = now.date()
     previously = issued_date()
-    if previously != today.isoformat() and is_sick_synced(today):
+    if previously != today.isoformat() and alarm_stands_down_synced(today):
         return False
     entry_body = penalty_entry(today=today)
     if not write_penalty(entry_body):
diff --git a/wake_alarm/tests/test_sick_days.py b/wake_alarm/tests/test_sick_days.py
index a00569b..220fb08 100644
--- a/wake_alarm/tests/test_sick_days.py
+++ b/wake_alarm/tests/test_sick_days.py
@@ -28,9 +28,9 @@ A = datetime(2026, 10, 6, 7, 0).astimezone()
 MONDAY_EVENING = datetime(2026, 10, 5, 22, 0).astimezone()
 
 
-def mark_sick(day: date) -> None:
-    """Put ``day`` in the (redirected) pool; may be in the past."""
-    sickdays.import_legacy([day])
+def mark_sick(day: date, *, keep: tuple[str, ...] = ()) -> None:
+    """Put ``day`` in the (redirected) pool, keeping ``keep``; may be past."""
+    sickdays.add_sick_day(day, keep=keep, now=day)
 
 
 def pull_marks_tuesday() -> bool:
@@ -48,13 +48,22 @@ def sync() -> Generator[MagicMock]:
 
 class TestSickModule:
     def test_reads_the_pool(self) -> None:
-        assert not _sick.is_sick(TUESDAY)
+        assert not _sick.alarm_stands_down(TUESDAY)
         mark_sick(TUESDAY)
-        assert _sick.is_sick(TUESDAY)
+        assert _sick.alarm_stands_down(TUESDAY)
+
+    def test_a_kept_alarm_does_not_stand_down(self) -> None:
+        mark_sick(TUESDAY, keep=(sickdays.LOCKER_ALARM,))
+        assert sickdays.is_sick_day(TUESDAY)
+        assert not _sick.alarm_stands_down(TUESDAY)
+
+    def test_keeping_another_locker_does_not_keep_the_alarm(self) -> None:
+        mark_sick(TUESDAY, keep=(sickdays.LOCKER_WORKOUT, sickdays.LOCKER_LEETCODE))
+        assert _sick.alarm_stands_down(TUESDAY)
 
     def test_synced_pulls_first(self, sync: MagicMock) -> None:
         sync.side_effect = pull_marks_tuesday
-        assert _sick.is_sick_synced(TUESDAY)
+        assert _sick.alarm_stands_down_synced(TUESDAY)
         sync.assert_called_once_with()
 
     def test_missing_package_is_never_sick(self) -> None:
@@ -62,7 +71,7 @@ class TestSickModule:
             with patch.dict(sys.modules, {"sickdays": None}):
                 reloaded = importlib.reload(_sick)
                 assert reloaded._AVAILABLE is False
-                assert not reloaded.is_sick(TUESDAY)
+                assert not reloaded.alarm_stands_down(TUESDAY)
                 assert not reloaded.sync()
         finally:
             importlib.reload(_sick)
@@ -121,6 +130,21 @@ class TestFallback:
         assert latch is not None
         assert latch.stop_reason == SICK_DAY
 
+    def test_a_kept_alarm_rings_like_a_normal_day(self) -> None:
+        mark_sick(TUESDAY, keep=(sickdays.LOCKER_ALARM,))
+        seen = _fallback_observe.observe(A + timedelta(minutes=3), sync=False)
+        assert not seen.facts.sick_day
+
+    def test_a_kept_alarm_does_not_stop_a_ring_in_progress(self) -> None:
+        mark_sick(TUESDAY, keep=(sickdays.LOCKER_ALARM,))
+        mark_started(None, day=TUESDAY.isoformat(), now=A, reason="phone_silent")
+        with patch.object(_fallback, "ring_now"):
+            decision = _fallback.tick(A + timedelta(minutes=5))
+        assert decision.reason != SICK_DAY
+        latch = _fallback.read_latch(TUESDAY.isoformat())
+        assert latch is not None
+        assert latch.stop_reason != SICK_DAY
+
     def test_reports_say_sick(self, capsys: pytest.CaptureFixture[str]) -> None:
         mark_sick(TUESDAY)
         _fallback.main(["--dry-run", "--at", "2026-10-06T07:05:00"])
@@ -153,6 +177,17 @@ class TestRtc:
         retract.assert_called_once_with()
 
 
+def test_a_kept_alarm_plans_the_rtc_wake() -> None:
+    mark_sick(TUESDAY, keep=(sickdays.LOCKER_ALARM,))
+    chosen = _rtc.plan(MONDAY_EVENING, Alarm(7, 0, "c"))
+    assert (chosen.arm, chosen.reason) == (True, "stick day")
+
+
+def test_a_kept_alarm_lets_the_trigger_fire() -> None:
+    mark_sick(TUESDAY, keep=(sickdays.LOCKER_ALARM,))
+    assert _trigger._skip_reason(A) is None
+
+
 def test_the_trigger_skips_a_sick_day() -> None:
     assert _trigger._skip_reason(A) is None
     mark_sick(TUESDAY)
diff --git a/wake_alarm/tests/test_sick_days_penalty.py b/wake_alarm/tests/test_sick_days_penalty.py
index 5f20b9a..c5247e9 100644
--- a/wake_alarm/tests/test_sick_days_penalty.py
+++ b/wake_alarm/tests/test_sick_days_penalty.py
@@ -40,9 +40,9 @@ MISS: dict[str, object] = {
 }
 
 
-def mark_sick(day: date) -> None:
-    """Put ``day`` in the (redirected) pool; may be in the past."""
-    sickdays.import_legacy([day])
+def mark_sick(day: date, *, keep: tuple[str, ...] = ()) -> None:
+    """Put ``day`` in the (redirected) pool, keeping ``keep``; may be past."""
+    sickdays.add_sick_day(day, keep=keep, now=day)
 
 
 def pull_marks_tuesday() -> bool:
@@ -65,6 +65,16 @@ class TestWriting:
         assert not maybe_apply(MISS, AFTER_GRACE)
         assert issued_date() is None
 
+    def test_a_kept_alarm_is_penalised_like_a_normal_day(self) -> None:
+        mark_sick(TUESDAY, keep=(sickdays.LOCKER_ALARM,))
+        assert skip_reason(MISS, AFTER_GRACE) is None
+        assert maybe_apply(MISS, AFTER_GRACE)
+        assert issued_date() == TUESDAY.isoformat()
+
+    def test_a_kept_workout_does_not_keep_the_missed_ring(self) -> None:
+        mark_sick(TUESDAY, keep=(sickdays.LOCKER_WORKOUT,))
+        assert skip_reason(MISS, AFTER_GRACE) == "sick day"
+
     def test_the_first_write_pulls_the_pool(self) -> None:
         with patch("sickdays.sync_quietly", side_effect=pull_marks_tuesday) as pulled:
             assert not maybe_apply(MISS, AFTER_GRACE)
@@ -101,6 +111,11 @@ class TestRetraction:
         assert issued_date() is None
         assert "penalty_cancelled: sick day for 2026-09-22" in caplog.text
 
+    def test_kept_alarm_keeps_the_penalty(self) -> None:
+        mark_sick(TUESDAY, keep=(sickdays.LOCKER_ALARM,))
+        assert not cancel_for_sick_day()
+        assert issued_date() == TUESDAY.isoformat()
+
     def test_a_sick_penalty_date_alone_does_not_retract(self) -> None:
         mark_sick(date(2026, 9, 23))
         assert not cancel_for_sick_day()
@@ -162,6 +177,18 @@ class TestAudit:
         assert check_lockdown(_ev(phone=phone)).ok is False
         assert check_lockdown(_ev(phone=phone[:1])).ok is None
 
+    def test_a_kept_alarm_is_a_stick_day_in_the_audit(self) -> None:
+        mark_sick(TUESDAY, keep=(sickdays.LOCKER_ALARM,))
+        with (
+            patch.object(_audit, "fetch_firebase_logs", return_value=[]),
+            patch.object(_audit, "get_alarm", return_value=Alarm(7, 0, "cache")),
+            patch.object(_audit, "boots", return_value=[]),
+            patch.object(_audit, "resumes", return_value=[]),
+        ):
+            evidence, _ = _audit.gather(TUESDAY)
+        assert not evidence.sick_day
+        assert "(Tue, stick day)" in _audit.render(evidence, [], reachable=True)
+
     def test_the_report_names_the_day(self) -> None:
         mark_sick(TUESDAY)
         with (