First, there may be a brief cessation or reduction of breathing when falling asleep as the sleeper waxes and wanes between sleep and wakefulness and their differing control mechanisms.
Even when we turn off the bedside lamp and are fat asleep, electricity is working for us, driving our refrigerators, heating our water, or keeping our rooms air-conditioned.
Because they became anxious about being able to fall asleep to the upbeat tune, all of their effort backfired, so that they would lie awake in frustration.
Myra could not sleep. It was past midnight but, in the room above, her son William and his wife kept up their quarreling, and for an hour Myra lay sleepless.