0 1 2 3 Tue 23 Feb 1971 Sun 28 Feb 1971 Fri 05 Mar 1971 Wed 10 Mar 1971 Mon 15 Mar 1971 Sat 20 Mar 1971 Thu 25 Mar 1971 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