You wake up at night. Your first instinct? Check the time. That glance at your phone or clock might seem harmless. But sleep specialists warn this habit destroys your chances of falling back asleep and undermines sleep hygiene. “Turn your alarm clock to face the wall and resist the temptation to check the time on your smartphone,” advises a sleep expert. “Counting the minutes of missed sleep increases stress and anxiety, which could delay your return to slumber.“
When you check the time, you begin calculating how much sleep you’ve lost. You worry about how little time remains before your alarm. This mental math triggers anxiety. It makes returning to sleep nearly impossible. Your device creates another problem. “Exposure to blue and green light from your clock, phone, tablet, or computer can make you feel more alert,” notes a sleep researcher. This increased alertness prevents you from drifting back to sleep.
What Happens When You Wake Up at Night
A woman lying awake in bed at night, looking restless with her eyes open. She’s wearing white sleepwear and hugging her pillow while covered with a white comforter. A blue tufted headboard is visible in the background. This image illustrates poor sleep hygiene and insomnia struggles.
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Understanding why you wake up helps you manage disruptions better. Research shows adults wake up 10 to 12 times per night on average. Most awakenings last only briefly. If they continue for less than three minutes, you typically won’t remember them. “On average, adults wake up 10 to 12 times per night,” according to sleep research. “If you’re awake for less than three minutes, you probably won’t remember.” Your brain operates differently when you wake during the second half of the night. Your frontal lobe, which controls reasoning and emotional regulation, doesn’t fully activate. Instead, your limbic system takes over, driving emotional responses like fear and anxiety.
What You Should Do Instead
