Many people develop sleep problems when they are stressed out, or after having witnessed or experienced a traumatic event such as a car accident.
While the role of sleep in learning and memory has been widely investigated, much remains to be explained and controversy abounds.
Sleep deprivation increases food purchasing the next day, both in terms of calories and weight of food purchased.
Genes, which are involved in the production of support cells important for brain growth and repair, are turned on during sleep. This provides new evidence for one more benefit of sleep to the brain.
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