Is 45 decibels loud enough to affect sleep?

It's a little big, which will affect sleep.

The following are decibels:

10 decibel is the sound that people's ears can just hear, which is very subtle.

10-20 decibels sound, generally speaking, we think it is quiet.

A sound of 20-40 decibels is probably a whisper in a couple's ear.

40-60 decibels belong to our normal conversation voice.

Sound above 60 decibels belongs to the noisy range.

When it reaches 70 decibels, we can think it is very noisy and begin to damage the auditory nerve.

Extended data:

Outdoor standard:

What bothers people is the interference with conversation, thinking, sleep and rest. Special residential areas in China's environmental noise standards refer to residential areas that need to be quiet, such as rest areas and high-end hotel areas. Residents, cultural and educational areas refer to pure residential areas and cultural and educational institutions;

The first kind of mixed area refers to the mixed area of general commerce and residents;

The second kind of mixed zone refers to the mixed zone of industry, commerce, a little traffic and residents; A business center refers to a prosperous area where businesses are concentrated; Industrial concentration area refers to the industrial area designated by the local government; The two sides of the main traffic line refer to the two sides of the road where the traffic volume exceeds 100 vehicles per hour.

The standard values listed in Table 6 are outdoor allowable noise levels, and the measuring point is 1 m outside the window of the residential building affected by noise, which is higher than the ground1.2 m. Noise is frequent at night, and the peak value is not allowed to exceed the standard value 10 dB. The occasional noise at night, the peak value is not allowed to exceed the standard value 15 dB.

Baidu Encyclopedia-Environmental Noise Standard