… epinephrine levels in urine during sleep to be influenced by waking time and arousal levels
during waking time in sleep … After sleeping at night for 4 h, they slept during the day for 4 h …

… Short day sleep was associated with many stage shifts and a … In our study the adrenaline
excretion did not differ between … For day sleep the extended prior wakefulness and short sleep …

… Right before bedtime the participants were asked to fill in a short diary to describe … , self-ratings
(particularly back pain and physical fatigue) correlated with noradrenaline and adrenaline …

… of time spent asleep, total wake time, percent of time spent … limited to the first 4 hours of
recording time. Parallel to these … of nighttime sleep and self-ratings of quality of sleep and feeling …

… secretion,4 diuresis,4 increased secretion of epinephrine and … In a study of partial sleep
loss, with subjects sleeping 4 hours … One study found that self-ratings of alertness showed a …

… At bedtime the energy ratings were lower than during the day … ) were associated with higher
adrenaline levels whereas low … for the self-ratings, some differences would presumably also …

… a preferred order for spending four hours at a desk writing a … increase in adrenaline,
the pattern associated with feelings of … during sleep loss takes the form of lapses, or micro-sleeps. …

… re-entrain to a time shift at different rates, each time the work … to stay awake during the night
and having to sleep during the day. … night work is associated with chronic sleep deprivation. …

… (REM) sleep is a completely different sleep stage characterized … are the catecholamines
epinephrine and norepinephrine, … at bedtime was related to reduced sleep efficiency, increased …

… by calculating the difference between the time participants … up several times in the night, had
trouble staying asleep, etc. … for all participants, so self-ratings of activity were used to control …