0 1 2 3 Sat 01 Apr 1972 Thu 06 Apr 1972 Tue 11 Apr 1972 Sun 16 Apr 1972 Fri 21 Apr 1972 Wed 26 Apr 1972 Mon 01 May 1972 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