Why Do People Say They Didn’t Sleep Even When They Did?
Why do people say they didn’t sleep even though they were asleep?
Besides difficulty falling asleep and early awakening, insomnia also includes a lack of sleep perception. Regardless of type, psychological factors always influence sleep, usually triggered by certain life events causing stress responses.
Different people react differently to the same event. In the development of insomnia, personality weaknesses play a crucial role. Psychological conflicts can lead to anxiety, and after enduring sleeplessness, a fixed mindset forms—this is how the sense of lacking sleep arises. Insomniacs' subjective reports of lost sleep differ significantly from objective instrument recordings. When awakened during slow-wave sleep (deep sleep) on EEG, they still claim, “I didn’t sleep at all,” or report sleep duration far shorter than recorded. Normal sleepers’ self-reported sleep times match recorded durations closely. This discrepancy relates to pre-sleep emotional states. Before sleep, insomniacs often fear insomnia and misjudge or misperceive the time already spent sleeping. Particularly, insomniacs spend longer time in pre-sleep and light sleep phases than normal individuals—this explains why they constantly feel “I didn’t sleep at all.”
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