0 1 2 3 Fri 13 Apr 1973 Tue 17 Apr 1973 Sat 21 Apr 1973 Wed 25 Apr 1973 Sun 29 Apr 1973 Thu 03 May 1973 Mon 07 May 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