Before any supplement or app, sleep medicine guidelines point to behaviour and environment first: light exposure, consistent timing, temperature, and what you do in the hour before bed. This section covers the habits with the strongest track record.

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Sleep Hygiene 101: A Simple Wind-Down Routine That Actually Works

Sleep Hygiene 101: A Simple Wind-Down Routine That Actually Works

Sleep hygiene sounds like generic advice until you see which specific habits are backed by sleep medicine guidelines and which are just folklore.