Thank you, Claire, for doing your homework. It's nice to know something about your best friend. Job well done!

CORRECTIONS:

My best friend, Flora. she is a night owl. she can't wake up with a alarm clock. she usually wakes up at 11:00.
>>My best friend, Flora, is a night owl. She can't wake up without an alarm clock. She usually wakes up at 11:00am

Points to Improve:
1. Capitalization -a sentence always starts with capital letter
2. Articles -use "an" before a word that has a vowel sound, use "a" for words that start with consonant sound