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Key Takeaways Sleep quantity measures how many hours you sleep; sleep quality measures how restorative those hours are. Poor sleep quality can leave you feeling exhausted even after a full night of sleep. Both quantity and quality affect your physical...
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Key Takeaways Sleep patterns shift after 60 due to lower melatonin production, less time in deep sleep, and changes to your circadian rhythm. These changes are normal, but ongoing insomnia or chronic fatigue are not things you should accept as...
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Key takeaways: Sleep affects the hormones that control hunger and fullness, which can influence how much you eat and what you reach for. Both too little and too much sleep are associated with a higher risk of weight gain and...
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Key takeaways: Light and temperature shift your sleep patterns from season to season. People sleep about 30 minutes more in winter, with more REM sleep during darker months. The spring daylight saving time change is linked to short-term spikes in...
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Key takeaways: Melatonin is a hormone your brain produces to regulate your sleep-wake cycle. It helps with jet lag and circadian rhythm issues, but it may not help with general insomnia or staying asleep. Alternatives like magnesium, L-theanine, and tart...
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