Let Yourself RestExercise is great, but it’s also OK for you to rest. Napping during the day may also help you get a quick energy boost when you feel fatigued. 낮잠과 에너지If napping makes it hard for you to sleep at night, you may want to try napping earlier in the day and aim for short naps.이른 시간 낮장 According to experts, both short naps (30 minutes) and longer naps (1.5 hours) can help improve fati..