“Bare as you dare on a balcony” task. Treat yourself by starting each day absorbing all that vitamin D. Being naked is good for you, both mentally and physically. The Harvard School for Public Health found that being naked improves bone health, strengthens your immune system and is good for you skin. Conversely, tight clothing, such as skinny jeans, can lead to meralgia paresthetica (pinched nerves), causing pain or numbness in your thighs.