0 1 2 3 Tue 31 Mar 1964 Sat 04 Apr 1964 Wed 08 Apr 1964 Sun 12 Apr 1964 Thu 16 Apr 1964 Mon 20 Apr 1964 Fri 24 Apr 1964 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