0 1 2 3 Mon 19 Mar 1973 Fri 23 Mar 1973 Tue 27 Mar 1973 Sat 31 Mar 1973 Wed 04 Apr 1973 Sun 08 Apr 1973 Thu 12 Apr 1973 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