いびき

いびき refers to snoring, the breathing sound made during sleep.

KANJI:
Can be written as 鼾(いびき) but hiragana is more common.

COMMON EXPRESSIONS:

• いびきをかく: to snore
• いびきが大(おお)きい: snoring is loud
• いびきがうるさい: snoring is noisy
• いびきが止(と)まらない: snoring won't stop

RELATED TERMS:

• いびき防止(ぼうし): anti-snoring
• いびき対策(たいさく): snoring countermeasures
• 寝息(ねいき): sleeping breath (quiet breathing while asleep)

HEALTH NOTE:
Chronic loud snoring may indicate 睡眠(すいみん)時(じ)無呼吸(むこきゅう)症候群(しょうこうぐん) (sleep apnea syndrome), a condition where breathing repeatedly stops during sleep.

ONOMATOPOEIA:
Snoring sounds are often written as グーグー or ゴーゴー.