0 1 2 3 Tue 28 Jan 1975 Sat 01 Feb 1975 Wed 05 Feb 1975 Sun 09 Feb 1975 Thu 13 Feb 1975 Mon 17 Feb 1975 Fri 21 Feb 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