0 1 2 3 Tue 13 Apr 1971 Fri 16 Apr 1971 Mon 19 Apr 1971 Thu 22 Apr 1971 Sun 25 Apr 1971 Wed 28 Apr 1971 Sat 01 May 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