0 1 2 3 Thu 10 Mar 1977 Mon 14 Mar 1977 Fri 18 Mar 1977 Tue 22 Mar 1977 Sat 26 Mar 1977 Wed 30 Mar 1977 Sun 03 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