Great reasons to sleep naked.

5. Improve relationships. Sleeping naked next to each other increases oxytocin levels. This hormone is called the love hormone. Its increase helps to strengthen the connection between partners, that is, it helps them to love each other more strongly. 6. Good and frequent sex. This is also another wonderful side effect of boosting oxytocin. The researchers found that people with high levels of the hormone tended to have stronger orgasms and had more intense sex lives.