Seasonal Sleep Hours

The farther you live from the equator, the more you need to adjust your amount of sleep as the seasons come and go. You need more sleep in the winter when there is less light, and less sleep in the summer when there is more light. To keep serotonin and melatonin in...

How Much Sleep Do You Really Need?

Your ideal amount of sleep depends on your age, lifestyle, health and level of stress. Another factor is your geographic latitude. Experts differ on the precise amount of sleep a person needs. Many experts recommend 6½ to 8½ hours. The consensus seems to be that if...