wakeful
- s carefully observant or attentive; on the lookout for possible danger
- s (of sleep) easily disturbed
a restless wakeful night - s marked by full consciousness or alertness
- After a period of sleep, the volume of connections between nerve cells in the brain decreased, a condition that Tononi theorizes offsets the wakeful brain's activity.
- The wakeful, wretched rats grew scrawny and stopped growing.
- Elizabeth, a lifelong insomniac who spends her wakeful hours surfing the internet, came across the post and wrote back: "You don't get to judge me because you think you know .