Late-Night Gaming and Sleep: What Sleep Specialists Advise

In short: the American Academy of Sleep Medicine advises adults to sleep at least 7 hours and to switch off electronic devices 30–60 minutes before bed. Evening games can delay falling asleep through bright light, emotional arousal and "one more match". A fixed finish time, a calm pre-sleep routine and the phone outside the bedroom help.

How do evening games affect sleep?

1. Light. Bright light in the evening can shift the body clock and reduce sleepiness.
2. Arousal. Competitive games, emotion and adrenaline keep the brain alert.
3. Time. "One more round" often turns into hours and sleep shrinks.
4. Habits. Playing in bed with a phone or console trains the brain to associate bed with wakefulness.

For what is actually known about blue light, see do blue light glasses work: glasses do not replace a sleep routine.

What the American Academy of Sleep Medicine advises

According to AASM:

• adults need at least 7 hours of sleep a night;
• electronic devices are best switched off 30–60 minutes before bed;
• leave the phone in another room and use an ordinary alarm clock;
• adopt a calm routine: reading, journaling, a warm shower.

For children and teens the advice is similar: disconnect from devices 30–60 minutes before bed. AASM article.

Practical rules for a gamer

1. Define a "last match". Choose a finish time in advance and set an alarm.
2. Do not play competitive games right before bed. Move to calmer activities 1–2 hours before sleep.
3. Dim the lights in the evening and do not sit in total darkness in front of a bright screen, see monitor brightness.
4. Keep the bedroom for sleep. No games or console in bed.
5. A regular schedule. Go to bed and get up at about the same time, weekends included.
6. Caffeine and energy drinks. Do not drink them late; they can interfere with falling asleep.
7. Take breaks through the day, see how long to play without a break.

If you have to play at night

For competitions or work in another time zone, shift your schedule gradually, 30–60 minutes a day, and keep a dark, quiet bedroom for daytime sleep. If sleep problems are long-lasting, see a doctor.

When to see a doctor

• insomnia lasts several weeks;
• strong daytime sleepiness that interferes with work or study;
• snoring with pauses in breathing;
• mood has noticeably worsened.