![]() Stages 1 and 2 have the lowest arousal threshold. This stage can be described as light sleep and provides rest for the muscles and brain. ![]() Stage 2 sleep is where approximately 50% of total sleep time is spent. Stage 1 sleep is known as the transitional phase, where the patient is transitioning from wakefulness to sleep. Individuals experience four to six NREM-REM cycles a night, with each cycle lasting between 70 and 120 minutes. Normal sleep is made up of two alternating stages, non-rapid eye movement (NREM) sleep and 13 Insomnia differs from sleep deprivation by not being defined by a specific sleep amount individuals have difficulty sleeping despite having ample opportunity to sleep. 12,13 This sleep difficulty occurs at least 3 nights per week and is present for at least 3 months despite adequate opportunity to sleep. 1 The condition is characterized by chronic dissatisfaction with sleep quantity or quality that is associated with difficulty falling asleep, frequent nighttime awakenings with difficulty returning to sleep, and/or awakening earlier in the morning than desired, resulting in some form of daytime impairment, such as daytime sleepiness, impairment in functioning, and/or mood disturbances. 10,11 Insomnia accounts for more than five million physician office visits and 60 million prescriptions annually. ![]() The most prevalent sleep disorder is insomnia, affecting 10% to 20% of the adult population, with a higher prevalence in women, the elderly, and patients with psychiatric or other medical disorders. 9 An estimated 50 to 70 million Americans have some type of chronic sleep or wakefulness disorder, which may cause significant impairment of daytime functioning. Sleep disorders include issues with falling or staying asleep, waking up too early or too late, and problems with poor sleep quality. But if patients are spending enough time in bed and are still waking up tired, they may be suffering from a sleep disorder. Sleep insufficiency can be attributed to many societal factors such as work schedules, lifestyle, travel, and round-the-clock access to technology. 7 Decreasing sleep duration has become a public health concern for the first time, sleep has been included as a national health priority in Healthy People 2020. 6 A CDC analysis of 2006 data from the Behavioral Risk Factor Surveillance System reported that an estimated 10% of adults reported insufficient rest or sleep for 14 or more days during a 30-day period. 4,5 Unfortunately, many are not reaching this target data collected from the National Health Interview Survey from 2008-2010 indicate that approximately 28% of adults in the United States get 6 hours or less of sleep. 2,3Īlthough there is no consensus of what constitutes enough sleep and individual needs will vary, the National Heart, Lung, and Blood Institute and the National Sleep Foundation have recommended that most adults get 7 to 8 hours of sleep a night. 2 In addition, lack of sleep represents a major cause of reduced productivity, increased healthcare utilization, increased likelihood of injury, and an overall decreased quality of life. ![]() 1,2 Sleep deprivation can lead to an increased risk of hypertension, obesity, diabetes, depression, heart attack, and stroke. Sleep plays an important role in our health and well-being both the quality and quantity of sleep can have major impacts on a variety of health outcomes. The average person will spend one-third of his or her life sleeping.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |