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"Adjusting to longer-term patterns (e.g., a night owl needing to get up earlier) is trickier since your system acts as a rubber band, snapping back to its preferred biology as soon as you change ...
Setting an early alarm only to wake up and hit the snooze button to lie in bed for the next an hour is not ideal, says Barone, and could make you feel worse during the day.
In effect, the person accustomed to a later wake time is being asked not to wake up an hour early but 3–4 hours early, while waking up "normally" may already be an unrecognized challenge imposed by the environment. [citation needed] The bias toward early morning can also adversely affect adolescents in particular.
Conversely, they can have difficulty waking up in the trough of the cycle. [24] A healthy young adult entrained to the sun will (during most of the year) fall asleep a few hours after sunset, experience body temperature minimum at 6 a.m., and wake up a few hours after sunrise. [33]
With paroxysmal nocturnal dyspnea specifically, it is felt while sleeping and causes a person to wake up after about 1 to 2 hours of sleep. [ 3 ] More serious forms of dyspnea can be identified through accompanying findings, such as low blood pressure, decreased respiratory rate, altered mental status, hypoxia, cyanosis, stridor, or unstable ...
Sleep research conducted in the 1990s showed that such waking up during the night may be a natural sleep pattern, rather than a form of insomnia. [2] If interrupted sleep (called "biphasic sleeping" or " bimodal sleep ") is perceived as normal and not referred to as "insomnia", less distress is caused and a return to sleep usually occurs after ...
A 2002 study of older adults (age 40–65) in San Diego found 3.1% had complaints of difficulty falling asleep at night and waking in the morning, but did not apply formal diagnostic criteria. [63] Actimetry readings showed only a small proportion of this sample had delays of sleep timing. [citation needed]
"If you're killing yourself trying to wake up at 7 a.m. and you have the capacity to get up at 9 a.m. instead, there's no problem with that as long as you're exercising and eating well," he says ...