white night phenomenon

What kind of sleep did England have when 11 o'clock on the Sun at St. Petersburg has not yet dive?
The World Cup is never a level playing field for all teams, based on science.
This summer in Russia there is a city at 11pm that the night has not turned off
An interesting phenomenon, but it seems unattractive for players who want to rest.
Scientists have deciphered the phenomenon of
Scientists have finally solved the mystery surrounding the phenomenon