寝ね入いりばな

noun

just after falling asleep; the moment one falls asleep

Refers to the shallow sleep stage right after dozing off, often used when someone is easily woken or disturbed.

• 寝ね入いりばなに電でん話わがかかってきて、起おこされた。

  I was woken up by a phone call just after I had fallen asleep.

• 寝ね入いりばなは夢ゆめを見みやすいと言いわれている。

  It's said that you tend to dream easily just after falling asleep.