1. Sleeping for a short period of time (usually not in bed)
   - nap, catnap, cat sleep, forty winks, snooze

Type of: sleeping

• internal jugular vein
• internal maxillary artery
• internal medicine
• internal organ
• internal representation
• internal respiration
• internal revenue
• internal revenue agent
• Internal Revenue Service
• internal rhyme
• internal secretion
• internal spermatic artery
• internal-combustion engine
• internalisation
• internalise
• internality
• internalization
• internalize
• internally
• internasal suture
• international
• international affairs
• international ampere
• International Association of Lions clubs
• International Atomic Energy Agency