How Power Naps Help Beat the Post-Lunch Slump

Do you ever feel that heavy drowsiness creeping in after lunch, making it hard to stay awake at your desk? Don’t worry, it’s completely normal. A power nap could help you regain your energy. Or, with a few small changes to your lunch, you could avoid that slump altogether. We’ll show you how to stay energised and make it through the afternoon full of vitality.

What Is a Power Nap and How Does It Work?

The term ‘power nap’ translates literally as a short but powerful nap. Unlike the typical midday nap, which can last one to two hours, a power nap is much shorter—just enough to help you recharge. It doesn’t have to happen at lunchtime, either. The timing depends on your personal daily rhythm.

For many people, drowsiness hits after eating, often known as the "food coma." This happens because your body diverts blood towards digestion, away from your brain and towards your stomach, liver, and intestines. As a result, your blood pressure drops, and you start feeling tired and sluggish. Add to that the natural dip in energy that many experience in the early afternoon, and it’s no wonder why post-lunch naps seem so tempting. For most people, this makes it the perfect time for a short break.

Power Nap for 90 Minutes or Less—What’s the Optimal Duration?

Studies in recent years have found that short power naps of 15 to 20 minutes are more effective than longer naps. This duration is enough to regain energy, boost your general wellbeing, and improve memory performance.

It’s important not to nap long enough to enter deep sleep, as waking up during this phase can actually reduce your performance due to sleep inertia. The ideal power nap sticks to light sleep, which starts after about 15 minutes and transitions into deep sleep around 20 to 30 minutes in. A shorter nap of around 10 minutes may help some people relax, but it doesn’t quite deliver the full benefits of a 15- to 20-minute power nap.

Learning to Power Nap: How to Become a Short-Nap Pro

Not everyone can simply lie down and fall asleep at the drop of a hat, but you can train yourself to take a power nap. Follow these tips:

• Only nap when you’re genuinely tired.
• The best time is after lunch or eight to nine hours after you wake up, when your natural energy dip occurs.
• Choose a quiet place where you won’t be disturbed for 20 minutes.
• Keep the room cool, but not fully dark.
• Have an espresso or coffee before your nap to help wake up on time—the caffeine kicks in after about 20 to 30 minutes, acting like a natural alarm clock.
• You can nap lying down or sitting up.
• If you struggle to sleep, try relaxation techniques like Progressive Muscle Relaxation.
• Set an alarm and give yourself a few minutes to fully wake up afterward.

Jetlag Power Nap: How to Get Through a Time Zone Shift

Long-haul travel to different time zones can disrupt your sleep patterns, leaving many travellers suffering from jetlag. A power nap can help with this. Take a short nap when you feel overtired, but be sure to wake up before reaching deep sleep. If you nap too long, it could make adjusting to the local time harder. Use the coffee trick—drink an espresso, set an alarm for no more than 30 minutes, and enjoy your nap. This will give you a boost of energy and help you push through until the local bedtime.

Power Nap Tips for an Effective Short Sleep

Power napping can be particularly challenging for those with jobs. Unlike in countries like Japan or the USA, the culture of napping at work hasn’t quite caught on in Germany. Very few companies provide rest rooms for their staff. So, how can you fit in a power nap when there’s no dedicated space at work?

• If you have your own office, lock the door, grab a cushion, and recline comfortably in your chair.
• If you drive to work, your car can serve as a napping spot during lunch breaks.
• If a break room is available, retreat there with a sleep mask and earplugs or listen to some quiet music to block out distractions.
• In good weather, a power nap on a park bench can also do the trick.

Instead of a Power Nap: Which Foods to Avoid at Lunchtime

To avoid a post-lunch slump, it’s best to steer clear of heavy, fatty, and sugary foods. These can be taxing on your body, requiring more energy for digestion and making you feel more tired afterward. Refined carbs like white bread, sugary snacks, and fizzy drinks cause your blood sugar to spike and then crash, leading to that familiar mid-afternoon dip. Large portions of fatty meals, such as fast food or creamy sauces, also place a heavy load on your digestive system, leaving you feeling sluggish. Instead, opt for lighter, nutrient-rich meals such as salads with healthy fats and proteins, or vegetables paired with whole grains, to maintain your energy levels throughout the afternoon.