0 1 2 3 Fri 11 Jan 1991 Mon 14 Jan 1991 Thu 17 Jan 1991 Sun 20 Jan 1991 Wed 23 Jan 1991 Sat 26 Jan 1991 Tue 29 Jan 1991 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