Jo was tired, and she had the circles under her eyes to prove it. The ghost that haunted her apartment was responsible, having kept her awake with its rambling versions of lullabies. At least, that's what Jo suspected it was singing. Those lyrics she could make out mostly involved sleeping, which she found particularly ironic, and more than a little annoying.
Even though she was exhausted, she was getting through work with an upbeat attitude, but more than the acceptable amount of yawns.
"Oh my gosh," she said, fanning a hand in front of her mouth. "Sorry, Charlie. I know they're contagious."