0 1 2 3 Tue 08 Dec 1987 Fri 11 Dec 1987 Mon 14 Dec 1987 Thu 17 Dec 1987 Sun 20 Dec 1987 Wed 23 Dec 1987 Sat 26 Dec 1987 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All