diff --git a/packages/core/src/runner/runner.ts b/packages/core/src/runner/runner.ts
index d37ab6fb..0987fb70 100644
--- a/packages/core/src/runner/runner.ts
+++ b/packages/core/src/runner/runner.ts
@@ -413,7 +413,10 @@ interface Job {
   timedOut: boolean;
   /** The watchdog stopped it: its report (the run's error). */
   stalled?: string;
-  /** Last line Claude Code wrote, and when the process started (ms) — what the watchdog looks at. */
+  /**
+   * Last line Claude Code wrote, and when the process started — what the watchdog looks at. On the awake clock
+   * (`performance.now()`, which stops while the computer sleeps): time asleep is no stall.
+   */
   lastOutputAt?: number;
   spawnedAt?: number;
   lastLabel: string;
@@ -478,7 +481,10 @@ export function activeRunForConversation(conversationId: string): string | null
   return queued;
 }
 
-/** A running run as the watchdog sees it. `waiting`: it stands still on purpose (a pause, the usage limit, compacting). */
+/**
+ * A running run as the watchdog sees it, its times on the awake clock (`performance.now()`). `waiting`: it stands still
+ * on purpose (a pause, the usage limit, compacting).
+ */
 export interface WatchedRun {
   runId: string;
   agentId: string;
@@ -1743,8 +1749,8 @@ async function spawnClaude(
     throw err;
   }
   job.proc = proc;
-  job.spawnedAt ??= Date.now();
-  job.lastOutputAt = Date.now();
+  job.spawnedAt ??= performance.now();
+  job.lastOutputAt = performance.now();
   if (halted(job)) killTree(proc);
   try {
     proc.stdin.write(prompt);
@@ -1755,7 +1761,7 @@ async function spawnClaude(
   const stderrP = readTail(proc.stderr, STDERR_TAIL_BYTES);
   const tail = tailLines(outPath, proc.exited, (raw) => {
     const line = raw.trim();
-    job.lastOutputAt = Date.now();
+    job.lastOutputAt = performance.now();
     if (!line) return;
     let event: unknown;
     try {
diff --git a/packages/core/src/runner/watchdog.ts b/packages/core/src/runner/watchdog.ts
index a901a48f..b2bbcb4e 100644
--- a/packages/core/src/runner/watchdog.ts
+++ b/packages/core/src/runner/watchdog.ts
@@ -199,8 +199,8 @@ function intervene(run: WatchedRun, verdict: Verdict): void {
   }
 }
 
-/** One look at every running run. */
-export function checkRuns(at = Date.now()): number {
+/** One look at every running run. `at` is on the awake clock: the time the computer slept doesn't count as a stall. */
+export function checkRuns(at = performance.now()): number {
   const limits = watchdogLimits();
   if (!limits) return 0;
   let stopped = 0;
diff --git a/packages/core/src/services/power.ts b/packages/core/src/services/power.ts
index 3b2ffd7d..45fadf87 100644
--- a/packages/core/src/services/power.ts
+++ b/packages/core/src/services/power.ts
@@ -34,7 +34,7 @@ const SHORT_LIMIT_MS = 60 * 60_000;
 /** On quit: how long a switch under way may finish before sleep is given back regardless. */
 const STOP_WAIT_MS = 1_000;
 const RELEASE_FAILED = "Godmode couldn't let the Mac sleep again. Click \"Let the Mac sleep\" in Settings → General and enter your Mac password.";
-const HOLD_FAILED = "Godmode is no longer allowed to keep the Mac awake. Turn lid-closed mode off and on again.";
+const HOLD_FAILED = "Godmode is no longer allowed to keep the Mac awake, so it sleeps when the lid closes. Turn lid-closed mode off and on again in Settings → General and enter your Mac password once.";
 
 export interface Exec {
   code: number;
@@ -233,6 +233,7 @@ function failed(message: string) {
   if (lastError === message) return;
   lastError = message;
   if (message === RELEASE_FAILED) notify("error", "Your Mac can't sleep with the lid closed", message, "/settings/general");
+  else notify("warning", "Your Mac sleeps with the lid closed", message, "/settings/general");
 }
 
 /** Bring `disablesleep` in line with the setting, the runs and the battery. */
diff --git a/packages/core/src/services/workspaceSources.ts b/packages/core/src/services/workspaceSources.ts
index 14cffcd6..a1c5c81a 100644
--- a/packages/core/src/services/workspaceSources.ts
+++ b/packages/core/src/services/workspaceSources.ts
@@ -14,7 +14,7 @@ import { all, get, insert, run, tx } from "../db";
 import { bus } from "../events/bus";
 import { logger } from "../log";
 import { moveToTrash } from "../agents/repo";
-import { badRequest, childEnv, hostnameOf, newId, notFound, now, which } from "../util";
+import { awakeTimeout, badRequest, childEnv, hostnameOf, newId, notFound, now, which } from "../util";
 import { normalizeWorkingDirectory, workingDirectoryProblem } from "./folders";
 
 const log = logger("sources");
@@ -443,7 +443,8 @@ async function exec(
   const stdin = opts.input === undefined ? "ignore" : new Blob([opts.input]);
   const proc = Bun.spawn([bin, ...safe, ...args], { cwd: opts.cwd, env: opts.env, stdin, stdout: "pipe", stderr: "pipe" });
   let timedOut = false;
-  const timer = setTimeout(() => {
+  // Awake time only: a fetch the computer slept through isn't timed out the moment it wakes.
+  const cancelTimeout = awakeTimeout(() => {
     timedOut = true;
     proc.kill();
   }, opts.timeoutMs);
@@ -457,7 +458,7 @@ async function exec(
     const [stdout, stderr] = stopped ? await Promise.race([output, Bun.sleep(500).then(() => ["", ""] as const)]) : await output;
     return { ok: code === 0 && !stopped, stdout, stderr, timedOut, ms: Math.round(performance.now() - started) };
   } finally {
-    clearTimeout(timer);
+    cancelTimeout();
     opts.signal?.removeEventListener("abort", stop);
   }
 }
diff --git a/packages/core/test/heartbeats.test.ts b/packages/core/test/heartbeats.test.ts
index 71178c39..e6bfb520 100644
--- a/packages/core/test/heartbeats.test.ts
+++ b/packages/core/test/heartbeats.test.ts
@@ -4,7 +4,7 @@ import { RUN_WATCHDOG, heartbeatAllowedAt, nextAllowedAt, nextHeartbeatAt, norma
 import { argValue, invocations, makeAgent, setupEnv, until, type TestEnv } from "./fixtures/runner-harness";
 import { get, run as sql } from "../src/db";
 import { getAgent, updateAgent } from "../src/agents/service";
-import { getRun, listRuns, waitForRun } from "../src/runner/runner";
+import { cancelRun, getRun, listRuns, waitForRun, watchedRuns } from "../src/runner/runner";
 import { __setWatchdogForTests, assess, checkRuns, listWatchdogEvents } from "../src/runner/watchdog";
 import { __setHeartbeatsForTests, beat, heartbeatState, listBeats, sweepHeartbeats } from "../src/services/heartbeats";
 import { startChat } from "../src/services/conversations";
@@ -318,6 +318,18 @@ describe("watchdog", () => {
     }
   });
 
+  test("time the computer slept is no stall: runs are timed on the awake clock", async () => {
+    const a = await makeAgent({ name: "Sleeper" });
+    const { run } = await startChat({ agentId: a.id, content: "SLEEP until done" });
+    await until(() => watchedRuns().some((r) => r.runId === run.id), 10_000, "run to start");
+    const watched = watchedRuns().find((r) => r.runId === run.id)!;
+    expect(watched.lastOutputAt).toBeLessThanOrEqual(performance.now());
+    expect(watched.lastOutputAt).toBeGreaterThan(performance.now() - 60_000);
+    expect(checkRuns()).toBe(0);
+    await cancelRun(run.id);
+    await waitForRun(run.id, 10_000);
+  });
+
   test("a stalled ticket tries again once, then waits blocked", async () => {
     const a = await makeAgent({ name: "Stuck Ticket" });
     __setWatchdogForTests({ stallMs: 300 });
@@ -340,7 +352,7 @@ describe("watchdog", () => {
   test("turned off, it leaves runs alone", () => {
     updateSettings({ runner: { watchdog: false } });
     try {
-      expect(checkRuns(Date.now() + 10 * 3_600_000)).toBe(0);
+      expect(checkRuns(performance.now() + 10 * 3_600_000)).toBe(0);
     } finally {
       updateSettings({ runner: { watchdog: true } });
     }
diff --git a/packages/core/test/power.test.ts b/packages/core/test/power.test.ts
index 2b31575b..4b29c8e1 100644
--- a/packages/core/test/power.test.ts
+++ b/packages/core/test/power.test.ts
@@ -253,6 +253,7 @@ describe("lid-closed mode", () => {
     const status = await powerStatus();
     expect(status).toMatchObject({ enabled: true, active: false, state: "error", permission: false });
     expect(status.error).toContain("no longer allowed");
+    expect(all<{ title: string }>("SELECT title FROM notifications WHERE title = 'Your Mac sleeps with the lid closed'")).toHaveLength(1);
   });
 
   test("a paused run keeps the Mac awake: the answer it waits for must reach it", async () => {