Embedded Player This month, the U.S. Senate unanimously approved a bill to make daylight saving time permanent. Now sleep scientists are weighing in and are suggesting the opposite — that standard time might be a better choice. Correspondent Allison Aubrey talks to host Emily Kwong about the pros and cons of adopting permanent daylight saving time or year-round standard time.

You can follow Emily on Twitter @EmilyKwong1234 and Allison @AubreyNPR. Email Short Wave at ShortWave@NPR.org.