Not that I am aware of. The european evening hours are the busiest time for all game formats including SnGs. Some types of SnGs only fill and run during these peak hours.
I'm guessing you've got some of your answer (seeing how old this post is) & because I saw you on pokerstars today (25nl Zoom)
There's some traffic for SNG's (STT) on partypoker. They have an ongoing Leaderboard there which boosts the traffic considerably