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You are in the midst of the afternoon, eyelids heavy, focus slipping. You shut your eyes for half an hour and get up feeling recharged. However later that evening, you are tossing and delivering mattress, questioning why you possibly can’t drift off. That noon snooze which felt so refreshing on the time is perhaps the explanation.
Naps have lengthy been praised as a software for reinforcing alertness, enhancing temper, strengthening reminiscence, and bettering productiveness. But for some, they will sabotage nighttime sleep.
Napping is a double-edged sword. Performed proper, it is a highly effective solution to recharge the mind, enhance focus, and assist psychological and bodily well being. Performed incorrect, it could actually depart you groggy, disoriented, and struggling to go to sleep later. The important thing lies in understanding how the physique regulates sleep and wakefulness.
Most individuals expertise a pure dip in alertness within the early afternoon, usually between 1pm and 4pm. This is not simply attributable to a heavy lunch—our inside physique clock, or circadian rhythm, creates cycles of wakefulness and tiredness all through the day. The early afternoon lull is a part of this rhythm, which is why so many individuals really feel drowsy at the moment.
Research recommend {that a} quick nap throughout this era—ideally adopted by vivid gentle publicity—may also help counteract fatigue, enhance alertness, and enhance cognitive operate with out interfering with nighttime sleep. These “energy naps” enable the mind to relaxation with out slipping into deep sleep, making it simpler to get up feeling refreshed.
However there is a catch: napping too lengthy might end in waking up feeling worse than earlier than. This is because of “sleep inertia”—the grogginess and disorientation that comes from waking up throughout deeper sleep phases.
As soon as a nap extends past half-hour, the mind transitions into slow-wave sleep, making it a lot more durable to get up. Research present that waking from deep sleep can depart folks feeling sluggish for as much as an hour. This may have critical implications in the event that they then attempt to carry out safety-critical duties, make necessary selections or function equipment, for instance. And if a nap is taken too late within the day, it could actually eat away from the “sleep strain build-up”—the physique’s pure drive for sleep—making it more durable to go to sleep at evening.
When napping is crucial
For some, napping is crucial. Shift employees typically battle with fragmented sleep attributable to irregular schedules, and a well-timed nap earlier than an evening shift can enhance alertness and cut back the chance of errors and accidents. Equally, individuals who usually battle to get sufficient sleep at evening—whether or not attributable to work, parenting or different calls for—might profit from naps to financial institution further hours of sleep that compensate for his or her sleep loss.
Nonetheless, counting on naps as a substitute of bettering nighttime sleep is a short-term repair slightly than a sustainable answer. Folks with continual insomnia are sometimes suggested to keep away from naps totally, as daytime sleep can weaken their drive to sleep at evening.
Sure teams use strategic napping as a performance-enhancing software. Athletes incorporate napping into their coaching schedules to hurry up muscle restoration and enhance sports-related parameters akin to response occasions and endurance. Analysis additionally suggests that individuals in high-focus jobs, akin to well being care employees and flight crews, profit from transient deliberate naps to take care of focus and cut back fatigue-related errors. Nasa has discovered {that a} 26-minute nap can enhance efficiency of long-haul flight operational employees by 34%, and application by 54%.
nap effectively
To nap successfully, timing and atmosphere matter. Conserving naps between 10 and 20 minutes prevents grogginess. The perfect time is earlier than 2pm—napping too late can push again the physique’s pure sleep schedule.
The perfect naps occur in a cool, darkish and quiet atmosphere, much like nighttime sleep situations. Eye masks and noise-cancelling headphones may also help, notably for individuals who nap in vivid or noisy settings.
Regardless of the advantages, napping is not for everybody. Age, way of life and underlying sleep patterns all affect whether or not naps assist or hinder. A very good nap is all about technique—figuring out when, how, and if one ought to nap in any respect.
For some it is a life hack, bettering focus and vitality. For others, it is a slippery slope into sleep disruption. The secret is to experiment and observe how naps have an effect on your general sleep high quality.
Performed correctly, naps is usually a beneficial software. Performed poorly, they is perhaps the explanation you are staring on the ceiling at midnight.
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Can a every day nap do extra hurt than good? A sleep researcher explains (2025, March 19)
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