John Lennon once accidentally took LSD. When they realized he was on a roof alone, Paul McCartney and George Harrison raced to help him.John Lennon frequently used LSD, but one trip was so dangerous that Paul McCartney and George Harrison rushed to help him. Lennon accidentally took the drug during a recording session. He stepped onto the roof for fresh air and remained up there alone. When McCartney and Harrison realized this, they were terrified, knowing Lennon could have easily stepped off the roof.In a recording session for the song “Getting Better,” Lennon took what he thought was an amphetamine to keep him energized. Soon, though, he realized he’d actually taken LSD. He told Martin he felt sick, and the producer, completely unaware that Lennon had taken anything, took him to the roof for fresh air.
Source: Emma McKee/cheatsheet.com