0 1 2 3 Fri 06 Feb 1987 Sat 14 Feb 1987 Sun 22 Feb 1987 Mon 02 Mar 1987 Tue 10 Mar 1987 Wed 18 Mar 1987 Thu 26 Mar 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