Она выражается в том, что нам стано

Она выражается в том, что нам становится трудно расслабиться в тех ситуациях, когда в мозг поступает мало данных, например, когда едем в метро или находимся на даче.

Results (English) 1:

It is expressed in the fact that it becomes difficult to relax in situations when the brain receives little data, for example, when we go into the subway or at the cottage.

Results (English) 2:

It is expressed in the fact that it becomes hard to relax in those situations, when the brain receives enough data, for example, when we go on the subway, or are in the country.

Results (English) 3:

it means that we find it difficult to relax in situations where in the brain does little data, for example, when we're in the subway, or are in the country.