0 1 2 3 Wed 01 Feb 1956 Thu 09 Feb 1956 Fri 17 Feb 1956 Sat 25 Feb 1956 Sun 04 Mar 1956 Mon 12 Mar 1956 Tue 20 Mar 1956 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