Their bodies produced double the amount of 'brown fat' as people who slept in a warm room. Because humans are endotherms, our body regulates our temperature both internally as well as in response to external stimuli. Your temperature drops in the evening as melatonin releases, preparing you for sleep. Sleeping naked is cleaner, and healthier - in bed, anyway. The good news is that in recent years, a shift in thinking has occurred. Let's see if if we raise America's percentage of naked sleepers, to compete with Europe.
When you bring pajamas into the mix, your body has more external factors to deal with that can affect your temperature.
Is sleeping naked good for you?
However, you should take care with what you do wear to bed. Sleeping in boxers — specifically tighter ones — could up the temp of testicles, damaging sperm production. Guys who sleep in the buff may find that intimacy with a partner increases. Back to the Rest. Your body cools down as part of your sleep cycles as studied by the The American Academy of Sleep Medicine to keep you in deep sleep mode where you get the most rest. Scientific research suggests that when you sleep naked, you allow your testicles to produce more semen. Because humans are endotherms, our body regulates our temperature both internally as well as in response to external stimuli.