Clue: Sleep phase, familiarly

Answer: REM

Length: 3

---

Similar Clues:

• Sleep phase initials (REM with 3 letters)
• Dreamy sleep phase (REM with 3 letters)
• Sleep phase (REM with 3 letters)
• Sleep phases (REMS with 4 letters)
• Sleep phase, for short (REM with 3 letters)
• Sleep phase, briefly (REM with 3 letters)
• Not a deep sleep (NAP with 3 letters)
• "Casablanca" star, familiarly (BOGIE with 5 letters)
• "The Sleeping Beauty" et al. (BALLETS with 7 letters)
• Stallone familiarly (SLY with 3 letters)