who sang i didn't sleep at all last night
(Last Night) I Didn't Get to Sleep at All "(Last Night) I Didn't Get to Sleep at All" is a song written by Tony Macaulay and performed by The 5th Dimension with instrumental backing from L.A. session musicians from the Wrecking Crew.[1] In the United States, the song reached #2 on the adult contemporary chart, #8 on the Billboard Hot 100 chart, and #28 on the R&B chart in 1972.[2] The song appeared on the band's album Individually and Collectively.[3] It became the group's fifth and final platinum record. In Canada, it spent a week at #6 on the RPM 100 in July 1972.