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...?!
putting strain on the 
heart and blood vessels,
،ممّا يشكِّلُ جهداً على القلب والأوعية الدموية
was auch Herz-Kreislauferkrankungen
nach sich ziehen kann
una taquicardia que provoca 
arteriosclerosis, insuficiente cardíaca, hipertensión, etc.
una taquicardia que provoca arteriosclerosis,
 insuficiencia cardíaca, hipertensión, etc.
pèse sur le cœur et les artères,
provoquant artériosclérose,
facendo sforzare il cuore 
e i vasi sanguigni, e può portare
causando complicações ao coração 
e aos vasos sanguíneos,