Short daytime naps are helpful for those who are otherwise healthy and get enough rest at night.
Power naps, lasting 10–20 minutes, promote energy, mood, and productivity.
Long naps can lead to poor health and a shorter lifespan because they diminish nighttime sleep quality and length.
Long naps can cause sleep inertia, insomnia, and the craving for more naps during the day.
If you're fatigued and can take a brief nap in the afternoon, it can boost your alertness and productivity.
Children need more sleep than adults and benefit from naps for cognitive growth, memory consolidation, and emotional stability.
Regularly napping at the same time can train your body to snooze during the day.