For athletes to train and perform their best, they need to get plenty of sleep. Numerous studies find that even a small amount of sleep deprivation can dramatically decrease athletic performance. Although the reasons for this are not entirely clear, experts speculate that poor sleep affects both glucose metabolism and cortisol (a stress hormone) production.
If you don't sleep as well as you know you should, take a look at the top expert recommendations for getting a good night's sleep.
hi this is masoud from iran
i`am ateacher actully sport teacher and i publish 2article about sleep and sleep deprivation with this titele:Effect of sleep disorder on the levels of testosterone, cortisol and T/C ratio in young football
players
atiitle of next article:The effect of sleep disorders due to land travel on the mood profile in young football players
therefor i want help from elizabeth quinn,but i dont have here address
plese help me and sent to me here mail
thanks and regards