0 1 2 3 Sun 13 Mar 1977 Fri 18 Mar 1977 Wed 23 Mar 1977 Mon 28 Mar 1977 Sat 02 Apr 1977 Thu 07 Apr 1977 Tue 12 Apr 1977 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