Sleep plays an important role in keeping the brain healthy, which is why people are advised to get at least 7-9 hours each night. When people have difficulties with sleep, for example, they usually feel more stressed. This is because a lack of sleep activates the body's stress response, which affects different brain and body systems. This could lead to stress-related disorders. Napping also appears to be beneficial to the brain – with research showing that even brief naps of 5-15 minutes can instantly improve how well you perform mentally.

https://www.thecoast.net.nz/trending-now/study-shows-taking-regular-naps-during-the-day-can-help-preserve-brain-health/

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