Why do I keep waking up at 3 am?
Answered by the AskDoc Medical Team · Medically reviewed under our Medical Director, MBBS
Everyone surfaces between sleep cycles at night; the 3 am problem is failing to fall back asleep. Stress hormones start their morning climb around then, so an anxious brain grabs the moment. Alcohol makes it worse by wearing off mid-night, and a heavy dinner or late caffeine finishes the job.
What helps: no clock-watching, since checking the time spikes alertness; if not asleep in twenty minutes, sit in dim light with something boring until drowsy, then return.
Waking gasping or with a pounding heart, or a bed partner reporting snoring and pauses, points to sleep apnea, which is a different fix entirely.
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For light sleepers
Foam earplugs or a steady white noise machine fix more nights than most sleep aids, and cost almost nothing. Worth trying before anything stronger.
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Health education, not personal medical advice. In an emergency, contact your local emergency service now.