仮眠 is read as かみん (kamin) and means nap.
かみん
kamin
かみんをとる
to take a nap
かみんしつ
nap room (in an office, fire station, etc.)
かめい
alias
かめん
mask
かりに
temporarily
たとえ
even if
かてい
supposition
かそう
converted (cruiser)
かな
kana
かせつ
assumption
かりしょぶん
provisional disposition
hypothesis