Sentences with phrase «increased during waking hours»

The researchers found that levels of the beta amyloid protein in spinal fluid increased during waking hours and decreased during sleep.

Not exact matches

Those with sleep apnea often suffer from increased sleepiness during waking hours, which can be dangerous when driving — or flying.

One meta - analysis of nearly 700 published studies showed that both adults and children who are short sleepers have an increased risk of obesity.1 In a different study, 12 men were allowed a full night of sleep (8 hours) followed by a partial night of sleep (4 hours); after the latter, the men were hungrier upon waking up and ate more during the day (22 %).2 Acute partial sleep leads to increased serum levels of ghrelin (a hunger hormone) and decreased levels of leptin (a satiety hormone).

These school schedules also do not match up with the established science that suggests that teenagers often stay up late due to hormonal changes — such as melatonin increases that occur in the brain during one's teenage years — and so while teenagers need nine hours of sleep per night, they typically get only around seven hours and have a harder time waking up.

If this behavior continues and increases to the point that the pet is scratching during most of its waking hours, it can be a heartbreaking sight.