0 1 2 3 Tue 16 Feb 1971 Wed 24 Feb 1971 Thu 04 Mar 1971 Fri 12 Mar 1971 Sat 20 Mar 1971 Sun 28 Mar 1971 Mon 05 Apr 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