Going to sleep at night.
Me: Gets into bed. Adjusts pillows. Wonders what to do with my arms. Too warm. Puts one leg out of covers. Worries about leg grabbing monster. Tries to sleep. Brain reminds me of every stupid thing I’ve ever done.
Husband: Gets into bed. Goes to sleep.
Amanda (Pandamoanimum), Twitter, 2022-04-23.
July 28, 2022
QotD: Getting to sleep
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March 8, 2015
QotD: Getting up on time
I myself was up that morning at five. This was earlier than I had intended. I had said to myself on going to sleep, “Six o’clock, sharp!”
There are men I know who can wake themselves at any time to the minute. They say to themselves literally, as they lay their heads upon the pillow, “Four-thirty,” “Four-forty-five,” or “Five-fifteen,” as the case may be; and as the clock strikes they open their eyes. It is very wonderful this; the more one dwells upon it, the greater the mystery grows. Some Ego within us, acting quite independently of our conscious self, must be capable of counting the hours while we sleep. Unaided by clock or sun, or any other medium known to our five senses, it keeps watch through the darkness. At the exact moment it whispers “Time!” and we awake. The work of an old riverside fellow I once talked with called him to be out of bed each morning half an hour before high tide. He told me that never once had he overslept himself by a minute. Latterly, he never even troubled to work out the tide for himself. He would lie down tired, and sleep a dreamless sleep, and each morning at a different hour this ghostly watchman, true as the tide itself, would silently call him. Did the man’s spirit haunt through the darkness the muddy river stairs; or had it knowledge of the ways of Nature? Whatever the process, the man himself was unconscious of it.
In my own case my inward watchman is, perhaps, somewhat out of practice. He does his best; but he is over-anxious; he worries himself, and loses count. I say to him, maybe, “Five-thirty, please;” and he wakes me with a start at half-past two. I look at my watch. He suggests that, perhaps, I forgot to wind it up. I put it to my ear; it is still going. He thinks, maybe, something has happened to it; he is confident himself it is half-past five, if not a little later. To satisfy him, I put on a pair of slippers and go downstairs to inspect the dining-room clock. What happens to a man when he wanders about the house in the middle of the night, clad in a dressing-gown and a pair of slippers, there is no need to recount; most men know by experience. Everything — especially everything with a sharp corner — takes a cowardly delight in hitting him. When you are wearing a pair of stout boots, things get out of your way; when you venture among furniture in woolwork slippers and no socks, it comes at you and kicks you. I return to bed bad tempered, and refusing to listen to his further absurd suggestion that all the clocks in the house have entered into a conspiracy against me, take half an hour to get to sleep again. From four to five he wakes me every ten minutes. I wish I had never said a word to him about the thing. At five o’clock he goes to sleep himself, worn out, and leaves it to the girl, who does it half an hour later than usual.
Jerome K. Jerome, Three Men on the Bummel, 1914.
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June 5, 2013
Do you suffer from “social jetlag”?
And here’s more from Brainpickings:
“Six hours’ sleep for a man, seven for a woman, and eight for a fool,” Napoleon famously prescribed. (He would have scoffed at Einstein, then, who was known to require ten hours of sleep for optimal performance.) This perceived superiority of those who can get by on less sleep isn’t just something Napoleon shared with dictators like Hitler and Stalin, it’s an enduring attitude woven into our social norms and expectations, from proverbs about early birds to the basic scheduling structure of education and the workplace. But in Internal Time: Chronotypes, Social Jet Lag, and Why You’re So Tired, a fine addition to these 7 essential books on time, German chronobiologist Till Roenneberg demonstrates through a wealth of research that our sleep patterns have little to do with laziness and other such scorned character flaws, and everything to do with biology.
In fact, each of us possesses a different chronotype — an internal timing type best defined by your midpoint of sleep, or midsleep, which you can calculate by dividing your average sleep duration by two and adding the resulting number to your average bedtime on free days, meaning days when your sleep and waking times are not dictated by the demands of your work or school schedule. For instance, if you go to bed at 11 P.M. and wake up at 7 A.M., add four hours to 11pm and you get 3 A.M. as your midsleep.
Roenneberg traces the evolutionary roots of different sleep cycles and argues that while earlier chronotypes might have had a social advantage in agrarian and industrial societies, today’s world of time-shift work and constant connectivity has invalidated such advantages but left behind the social stigma around later chronotypes.
H/T to Lois McMaster Bujold for the link.
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March 4, 2010
Teenagers: Mom was right about your need for a good night’s sleep
I know, you stopped listening to your parents around age 12, but every now and again, they do have useful advice for you:
Only 5% of high school seniors get eight hours of sleep a night. Children get an hour less than they did 30 years ago, which subtracts IQ points and adds body weight.
Until age 21, the circuitry of a child’s brain is being completed. Bronson and Merryman report research on grade schoolers showing that “the performance gap caused by an hour’s difference in sleep was bigger than the gap between a normal fourth-grader and a normal sixth-grader.” In high school there is a steep decline in sleep hours, and a striking correlation of sleep and grades.
Tired children have trouble retaining learning “because neurons lose their plasticity, becoming incapable of forming the new synaptic connections necessary to encode a memory. … The more you learned during the day, the more you need to sleep that night.”
The school day starts too early because that is convenient for parents and teachers. Awakened at dawn, teenage brains are still releasing melatonin, which makes them sleepy. This is one reason why young adults are responsible for half the 100,000 annual “fall asleep” automobile crashes. When Edina, Minn., changed its high school start from 7:25 a.m. to 8:30 a.m., math/verbal SAT scores rose substantially.
Furthermore, sleep loss increases the hormone that stimulates hunger and decreases the one that suppresses appetite. Hence the correlation between less sleep and more obesity.
So, even though the temptation is to stay up as late as you possibly can . . . don’t. You’ll actually notice the difference the next day.
