0 1 2 3 Mon 17 Feb 1975 Fri 21 Feb 1975 Tue 25 Feb 1975 Sat 01 Mar 1975 Wed 05 Mar 1975 Sun 09 Mar 1975 Thu 13 Mar 1975 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