1. Fully awake
   "so excited she was wide-awake all night"
   - unsleeping 
2. Fully alert and watchful
   - heads-up

See also: alert, awake, watchful

• beef Stroganoff
• beef tallow
• beef tea
• beef tenderloin
• beef tongue
• beef up
• beef Wellington
• beefalo
• beefburger
• beefcake
• beefeater
• beefed-up
• beefsteak
• beefsteak begonia
• beefsteak fungus
• beefsteak geranium
• beefsteak morel
• beefsteak plant
• beefsteak tomato
• beefwood
• beefy
• beehive
• Beehive State
• beekeeper
• beekeeping