Rearrange the following parts to form a meaningful sentence:-

(A) the blue light emitted thereof increases cortisol levels and reduces melatonin, which is why
(B) a Harvard research shows that anxiety about staying connected can disrupt sleep, as
(C) the National Sleep Foundation advises turning off all electronic devices before bed
(D) people who worry about staying informed use electronic devices right up until bedtime, and

Choose the correct answer from the options given below:-

(B), (D), (A), (C)

The correct answer is Option (2) → (B), (D), (A), (C)

(B) a Harvard research shows that anxiety about staying connected can disrupt sleep, as
(D) people who worry about staying informed use electronic devices right up until bedtime, and
(A) the blue light emitted thereof increases cortisol levels and reduces melatonin, which is why
(C) the National Sleep Foundation advises turning off all electronic devices before bed

Sentence formed: “A Harvard research shows that anxiety about staying connected can disrupt sleep, as people who worry about staying informed use electronic devices right up until bedtime, and the blue light emitted thereof increases cortisol levels and reduces melatonin, which is why the National Sleep Foundation advises turning off all electronic devices before bed.”