The Sleep Foundation examines why some individuals experience negative effects after daytime napping. Factors such as nap duration, timing, and individual sleep patterns can influence how refreshed or groggy a person feels upon waking. Understanding these variables may help explain why naps provide restorative benefits for some people while others report feeling worse after sleeping during the day.
Sleep & Fatigue · Jun 19, 2026 · 7 hours ago
Why Afternoon Naps Sometimes Leave People Feeling Unwell
Read the full story at Sleep Foundation →
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