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Are you preoccupied with sleep?

We often hear how important sleep is—and rightly so. Sleep affects our mood, energy, focus, and overall health. But sometimes, this message gets amplified to the point where sleep becomes the explanation for everything. Did you feel tired after lunch? It must be because you didn’t sleep well. Feeling forgetful? Maybe your sleep is affecting your brain. More irritable than usual? That has to be sleep deprivation. While these connections are not entirely wrong, they can become

When going to bed earlier backfires

Many people with insomnia try to “get ahead” of a difficult night by going to bed earlier. The logic seems sound: if it usually takes an hour or more to fall asleep, why not give yourself extra time? In practice, this often makes sleep worse—not better. The extra-time trap I often see people who go to bed well before they feel sleepy. They expect to lie awake for a while, so they build in “buffer time” to still get enough rest. But this strategy quietly backfires. Instead of

How Much Sleep Do You Need?

One of the most common messages people hear about sleep is that adults need eight hours a night. That idea is not entirely wrong, but it is often treated too rigidly. In general, most adults need somewhere in the range of 7 to 9 hours of sleep. That range matters because sleep need varies from person to person, and it can also change over time. For people struggling with insomnia, this becomes especially important. Many assume that if they feel tired, the solution must be to

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Department of Psychology

The University of Hong Kong

627 Jockey Club Tower

Centennial Campus

The University of Hong Kong

Pokfulam

Hong Kong

(852) 3917-2295

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Updated 2024

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