Question

where should this incoherent paragraph be broken into two paragraphs, so the first ends and a new paragraph begins? 1. beyond this, try to change your regular sleeping position. 2. try a different pillow that encourages you to sleep on your side. 3. raise the head of your entire bed with a brick, or tie something uncomfortable into the back of your pajamas to encourage you to sleep on your side. 4. both of these will help to alter the angle of your throat as you sleep, and may thus make breathing easier for you. 5. it is also important to keep your nasal passage clear and unblocked. 6. allergies, colds and hay fever can temporarily cause you to snore; nasal decongestants may help, but you are not advised to use such remedies for long periods. 7. nasal strips, as worn by sportspeople, have been proven to reduce nasal airway resistance by up to 30 per cent, so consider these as a long - term alternative.

between sentences 2 & 3.
between sentences 3 & 4.
between sentences 4 & 5.
between sentences 5 & 6.

Explanation:

Sentences 1 - 4 focus on sleep - position changes for easier breathing. Sentence 5 starts a new topic about keeping nasal passages clear.

Answer:

Between sentences 4 & 5.