You ever notice how long it takes for things to happen when you know they're supposed to happen? My fake Walkman has a built-in alarm, and I set it for two in the morning and wear the headphones to bed, but before you can wake up you have to fall asleep, and I never DO fall asleep because I keep waiting for the alarm to go off.
The quote reflects the frustration of anticipation, describing how the expectation of an event can hinder one's ability to relax and fall asleep. The character sets an alarm but becomes so focused on its impending sound that sleep becomes elusive. This cycle of waiting creates a paradox where the very tool meant to signal rest instead contributes to anxiety and wakefulness.
This situation illustrates a broader theme of how our minds...