A split second

When Elise wakes up the morning after her birthday celebration, she's surprised to find herself in her bedroom. Last she can remember, she had fallen asleep next to her best friends at her slumber party in her basement, and it was October. But now she's alone, and her phone says it's April 8. Elise doesn't understand. How could she have woken up six months later? No one else is acting like anything strange has happened, yet Elise can't remember t...