Why am I tired even after eight hours of sleep?
Answered by the AskDoc Medical Team · Medically reviewed under our Medical Director, MBBS
Duration is not quality. Fragmented sleep from apnea, alcohol, late screens, an uncomfortable room or an anxious mind delivers eight broken hours that restore little.
Beyond the bedroom: iron deficiency, thyroid problems, blood sugar swings, low mood and some medicines all produce tiredness that sleep cannot fix. Unrefreshing sleep plus loud snoring is apnea until shown otherwise.
Fix the basics for two weeks, fixed wake time, no alcohol near bed, cool dark room, then persist tired people deserve blood tests, not lectures about sleep hygiene.
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