Related Clues:

• Couch potatoes, say
• Slow-moving mammals
• Ai and unau
• Symbols of slowness
• Hardly go-getters
• Upside-down sleepers
• Tree branch hangers-on
• Some are three-toed
• Tree dwellers that may be upside-down
• Slow-moving tree dwellers
• They often go out on a limb
• Lazy types
• Slow-moving critters
• Ais
• Arboreal sleepers