Power Nap: How Does the Perfect Afternoon Nap Work?

A 10–20-minute power nap boosts energy, concentration, and mood—without disrupting your nighttime sleep. The key factor isn’t deep sleep, but rather the right timing and duration. Scientifically proven: If you nap for less than 26 minutes, you’ll stay in light sleep and avoid sleep inertia.

Power napping is a short nap of 10–30 minutes that refreshes your body, soul, and mind. Whether in a chair, on a bench, or at your desk—you don’t even have to lie down. It has been a long-standing tradition in Japan (“Inemuri”) and Mediterranean countries (“Siesta”) for centuries. In Germany, this shift in mindset is happening slowly but surely.

Power napping simply refers to a short afternoon nap lasting 10–30 minutes. It’s considered a brief nap to refresh the body, mind, and spirit.

Power napping is a form of deep relaxation without actually falling asleep. You don’t even have to lie down to do it. Sleeping on a bench, a chair, or with your head resting on your desk with a small pillow can give you the energy you need to start the second half of the day feeling fresh and rested.

In southern regions, this short nap is known as a “siesta,” and in Japan, people treat themselves to an “inemuri” at noon.

In some countries, this way of recharging has long been established. A short afternoon nap is considered good form in industrialized nations such as Japan and the U.S. In Mediterranean countries or in Asia, napping is part of “siesta culture.” There is no real culture of afternoon napping in Germany.

However, more and more companies are promoting their employees’ well-being and the concept of a “healthy workplace” by providing power-napping rooms or lounge areas. During the COVID-19 pandemic, companies have recognized how important it is to take steps to support their employees’ health and inner balance.

Human performance varies throughout the day. The body’s biorhythms determine the anabolic and catabolic metabolic processes within the body.

Most people experience a slump around lunchtime. Concentration wanes, and the body feels heavy. For some, their eyes close on their own, and they find it hard to keep going.

Many people counter this natural slump with strong coffee, smoking, or a short walk in the fresh air.

If you find a way to take a nap at noon, you shouldn’t sleep for more than 10 to 30 minutes. A 20-minute power nap is ideal. Less is more!

If you fall asleep, you might experience sleep disturbances at night (which could negatively impact your ability to sleep through the night ). After a midday nap, your concentration has been shown to remain steady until around 8 p.m.

Your energy reserves are replenished. Thanks to improved concentration, you reduce the risk of mistakes and accidents at work. And there are many more benefits!

Work more effectively and creatively thanks to power napping

In our society, if you work through the entire day without sleeping, you’re still seen as a role model. A much better motto would be: “Only a well-rested employee is a productive employee!”—yet many people are ashamed to close their eyes during their lunch break. Colleagues or the boss might think they’re lazy or unmotivated. (“It can look bad if you get caught!”) Yet a quick nap promotes physical and mental well-being, such as mental alertness and relaxed muscles. Sleep promotes good health, and well-rested employees work more effectively and creatively than tired ones.

Sleep Your Way to Fitness! The Power Nap as an Energy Booster

You can actively work to improve your physical and mental energy with the help of a short nap. Companies could use this to save on high costs associated with sick employees and reduce days lost to illness

The short afternoon nap as self-care

Attitudes like “I’ll get through everything on my desk today!”, “I’m fit and capable!” and “I don’t want to show any signs of tiredness!” are demands you place on yourself that can trigger various symptoms. You’re neglecting your self-care and denying your own needs. You push through until you can’t anymore, and in the long run, your body finds it increasingly difficult to recover. You should seek relief before it’s too late or before you start feeling completely irritable or down. Performance-oriented people are particularly prone to this. They perceive this feeling as “normal.” But appearances can be deceiving. Through learned stress behaviors, without healthy self-regulation, vital resources are increasingly depleted.

Avoiding the Midday Slump

A daily power nap can work wonders here. Because when you take a break in the middle of the day, you reduce the risk of falling into a “deep slump.” If you regularly replenish your energy reserves—including through power napping—you can continue to perform at your best. Corporate leaders, in particular, should lead by example.

Self-care Instead of Pushing Through

Attitudes like “I’ll power through!” or “I won’t show any signs of tiredness!” drain resources without replenishing them. The midday slump isn’t a weakness—it’s biology. Fighting it costs more energy than taking a quick break to recharge.

Pay Attention to Your Sleep Environment Even During a Nap

Even with a power nap or afternoon nap, it’s not just the duration that matters, but the quality of rest. Especially for babies and toddlers, who still have several sleep phases spread throughout the day, the sleep environment plays a crucial role. Factors such as temperature, a sense of security, and the right equipment can determine just how restful that short nap actually is. That’s why it’s worth taking a closer look here as well—for example, when considering what size blanket is appropriate for babies as well as 2- and 3-year-olds.

When is the best time for a power nap?

Falling asleep quickly when pressed for time—how does that work? The best time for a power nap is after lunch, between 12 p.m. and 2 p.m. This aligns with our normal circadian rhythm.

Due to intense time pressure and ever-increasing performance demands, only a few people manage to wind down relatively quickly. Many don’t rest until they’re completely exhausted.

As a result, they lie down in the late afternoon and have trouble falling asleep—or may even develop long-term sleep disorders.

Relaxation techniques help with power napping

When it comes to an afternoon nap, it’s not easy for everyone to fall asleep right away. This is often because it takes time to wind down.

Various relaxation methods can make it easier to fall asleep or, as your ability to relax improves, speed up the process of falling asleep. Suitable methods include yoga, autogenic training, progressive muscle relaxation, or listening to guided imagery. These techniques help you direct your thoughts toward a vivid mental image.

The latter technique works primarily by tensing and relaxing your muscles, which promotes blood circulation. Your blood pressure drops, your body awareness improves, your heart rate variability becomes more balanced, and your personal energy increases.

If you want to take a successful power nap, it’s best to choose a technique, learn it, and practice it regularly. Try to wind down within 10 minutes—and once you’re more experienced, within 5 minutes.

A mattress topper provides extra comfort, which can help you lie back and relax—especially during an afternoon nap.

After about 26 minutes, you’ll fall into deep sleep. This is valuable—but not in the middle of the day. Being woken from deep sleep triggers sleep inertia: a phase of severe cognitive sluggishness in which reaction time, judgment, and concentration are significantly impaired. Sleep inertia can last 10 to 30 minutes—and you’ll feel worse than you did before the nap.

What’s more, a longer daytime nap reduces your sleep drive for the night. Your brain “thinks” it has already gotten its deep sleep—and makes it harder for you to fall asleep in the evening. You can read more about sleep stages and their functions in our separate article.

Learn more about Anna’s work with professional athletes and why sleep quality is more important than quantity: Sleep as a Performance Enhancer in Professional Sports.

Source: Hilditch C.J., McHill A.W. (2019). Sleep inertia: current insights. Nature and Science of Sleep, 11, 155–165.

If the night was significantly too short—less than 5 hours, after coming home very late, or when working shifts—a 90-minute nap can be more beneficial than a short power nap. 90 minutes correspond to a full sleep cycle: You go through light sleep, deep sleep, and REM sleep, and wake up again in light sleep. No abrupt jolt out of deep sleep—no sleep inertia

When to use it: before long night shifts, after an extremely short night, or when working shifts. Important caveat: If you regularly take 90-minute naps, you’re signaling to your body that your nighttime sleep is structurally too short—which can trigger an adjustment in your sleep architecture. The 90-minute option is an emergency tool, not an everyday ritual.

If you often feel like you need a long nap during the day, you should check the quality of your nighttime sleep. More on this: Tired but unable to sleep.

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