0 1 2 3 Thu 25 Mar 1971 Mon 29 Mar 1971 Fri 02 Apr 1971 Tue 06 Apr 1971 Sat 10 Apr 1971 Wed 14 Apr 1971 Sun 18 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