Night owl:
Power napper:
Spurt:
Grouch:
Workout:
Morning person:
Approachable:
Sneak:
Late riser:
friendly and easy to talk to
an exercise routine
a person who is often irritable and in a bad mood
a person who can fall asleep at any time of day, and then wake up with a lot of energy
a person who prefers to be awake and active at night
a short but powerful rush of something
a person who usually gets out of bed late in the morning
do something without other people knowing
someone who feels awake and full of energy in the mornings