«Mary's Insomnia,» The Mary Tyler Moore Show, MTM Enterprises (December 4, 1976).
752
Lizette Borreli, «A Life Hack for Sleep: The 4–7–8 Breathing Exercise Will Supposedly Put You to Sleep in Just 60 Seconds,» Medical Daily, May 5, 2015, .
753
Brent Menninger, «Half-Smile and Serenity,» DBT Self Help, .
754
Niall M. Broomfield and Colin A. Espie, «Initial Insomnia and Paradoxical Intention: An Experimental Investigation of Putative Mechanisms Using Subjective and Actigraphic Measurement of Sleep,» Behavioural and Cognitive Psychotherapy 31 (2003): 313–24.