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The researchers also looked at which
of the week we felt happiest. They found we felt
on Sunday mornings, when feelings of
are fewer. This is perhaps because people have the
to unwind on Saturdays, when they are more
to have fun. They might splash out on something
while shopping. This has a
impact on making us feel
. The researchers posited that other "
" could affect our feelings of positivity. These include the seasons, weather, rain,
, and societal factors.