7 Days Mag.

[Jaimsieboy]

36 Across - Make a noise with the nostrils (5) Snor? (Either Snore or Snort)
45 Down - Sponsorship (9)?a????n???
40 Down - Degree of intensity (11) ?????S?E?C ?

[ubasses]

9 you have 10 letters and ? if one too many between a and n could be patronage

[cupid04]

patronage

[boxtops]

36 - I'd say snort, the snoring noise doesn't really come from the nostrils

[Jaimsieboy]

Thanks Ubasses, 9 letters was correct as was your patronage answer... J/boy

[ironmonger]

40 Persistence

[Clanad]

36 has to be snort, since snoring is from the throat
40 Persitience