REMEMBERING ALLĀH BEFORE
SLEEPING AND UPON WAKING UP
One should do his best to ensure that his last words before sleeping are remembrance of Allāh Most High and the first words that his tongue utters upon waking up are remembrance of Allāh Most High. These two are a sign of faith (imān).
Book: The Inner Secret Of Worship
By Imām Ibn Qudāmah al-Maqdīsī
Translated from the original arabic
Dār as-Sunnah Publishers