This week's theme is sleep disorders. Does your sleep become more shallow with age? Also, what are "early awakening" and "Awakening Mid-Way"?!
Other sleep disorders include 
day-night sleep rhythm reversal,
هنالِك اضطرابات نوم أخرى مثل
تواتُر النوم النهاري-الليلي العكسي
Andere Schlafstörungen sind beispielsweise
die zirkadiane Schlaf-Wach-Rhythmusstörung
Il existe aussi d’autres troubles.
Altri disturbi del sonno includono 
l'inversione del ritmo sonno-veglia
Outras desordens incluem ritmo reverso 
de sono entre noite e dia,