 So far, officials have not classified it as a close call. Can't get a good night's sleep? Make a deposit first. CBS's Vicki Barker explains from London. The researchers from Bristol University found people who save even small amounts each month have higher well-being scores and sleep better at night than those who don't save. That held as true for savers on low incomes saving small amounts as those on higher incomes saving more. This is CBS News.