Translation guide
In Japanese, expressing 'short sleep' depends on whether you mean a nap, a brief rest, or sleeping for a short duration. The most common and natural way is to use specific words for napping or to describe the length of sleep.
To refer to a short sleep taken during the day, often to refresh oneself.
The standard word for a daytime nap. It literally means 'daytime sleep' and is the most common way to say 'nap'.
I felt refreshed after taking a nap.
He has a habit of taking a nap every day.
A slightly more formal term for a nap, often used in contexts like work breaks or short rests. It implies a brief sleep to regain alertness.
I got sleepy while driving, so I took a nap.
Refers to dozing off unintentionally or napping without lying down properly, like nodding off in a chair. It has a slightly poetic or casual feel.
I dozed off on the sofa.
A casual phrase meaning 'to sleep a little'. It can be used for a short nap or just a brief rest.
I'm tired, so I'll take a short nap.
To describe sleeping for a short amount of time, often at night or in general.
A direct translation meaning 'short sleep'. It is used in factual or health-related contexts.
It is said that short sleep is bad for your health.
A common way to say 'sleep duration is short'. It focuses on the length of sleep rather than the act of napping.
A natural, casual way to say you haven't slept much. It implies a short sleep without specifying a nap.
I didn't sleep much yesterday, so I'm sleepy.
To refer to a very brief nap, often 15-20 minutes, taken to boost energy and alertness.
A loanword from English 'power nap'. It is widely understood in modern Japanese, especially in business or productivity contexts.
Taking a power nap during lunch break makes afternoon work more efficient.
A more formal Japanese term meaning 'short nap'. It is used in scientific or workplace guidelines.
昼寝 (hirune) is the general word for a daytime nap. 仮眠 (kamin) is more formal and often implies a planned short sleep, like during a break. うたた寝 (utatane) is dozing off unintentionally or napping in a casual, unplanned way.
The direct translation '短い睡眠' (mijikai suimin) is not commonly used in everyday conversation. It sounds clinical. Use more natural expressions like 昼寝 or ちょっと寝る for casual contexts.
Lately, my sleep duration has been short.
A short nap restores concentration.