C18_U4_LB 2AVersión en línea Put these expressions about sleep in the correct category. por Rodrigo Casas 1 Having trouble sleeping 2 Falling asleep 3 Sleeping a short time 4 Sleeping deeply be wide awake have a sleepless night toss and turn drift off feel drowsy take a power nap nod off be fast asleep be sound asleep sleep like a log