If you're concerned that your sleep is too shallow, you may have sleep apnea syndrome?! And it could lead to hardening of the arteries, heart failure, or high blood pressure...?!
And because sleep is shallow,
،ولأنّ النوم سطحيّ
Und wegen des gestörten Schlafes
Además el sueño ligero puede ocasionar
Además, el sueño ligero puede ocasionar
Somnolence diurne
E a causa del sonno leggero,
 si possono manifestare altri sintomi
E como o sono fica fraco,