In most cases, yes. The whole idea of email is for it to be read by the recipient, and if you send it without proper timing, the chances it is read dwindle — in particular, when you send commercial emails.u003cbr/u003eIn addition to that, it’s not just your email that will land in an inbox. There will be another 40 to 90 emails crying for attention. It’s a competition you’ve no way to decipher, so angling at the right time should be your main priority