sleepier

/S L IY1 P IY0 ER0/
adjective
  1. 1

    Tired; feeling the need for sleep.

  2. 2

    Suggesting tiredness.

  3. 3

    Tending to induce sleep; soporific.

    โ€œa sleepy drink or potionโ€

  4. 4

    Dull; lazy; heavy; sluggish.

  5. 5

    Quiet; without bustle or activity.

    โ€œa sleepy English villageโ€

Synonyms

Source: https://en.wiktionary.org/wiki/sleepier, https://en.wiktionary.org/wiki/sleepy