Causation - correlation; Long daytime naps may be a symptom of poor night-time sleep, which is already linked causally to injuring neurological health. Power n

Causation - correlation; Long daytime naps may be a symptom of poor night-time sleep, which is already linked causally to injuring neurological health. Power naps and occasional longer "catch-up" naps are widely claimed to be beneficial by people working in high demand roles. But you still need a solid 6-8 hours of proper sleep.