The most common and most likely answer to this crossword clue is the 7 letter word ADDRESS
I've seen this crossword clue in The Times
A
D
D
R
E
S
S
More clues leading to the result ADDRESS
- Begin to deal with notice on deck
- Speech from e.g. 10 Downing Street
- Look at plaiting dreads with minimum of skill
- Plug clothes in speech
- Look at somewhere to live
- Formal speech where one usually sleeps
- Start to deal with a little daughter needing clothes
- For speech, daughter puts on a frock
- Dad worried about second son’s speech
- He’s taken off ceremonial hat to deliver speech
Buddy explains!

The straight part
We know that "Formal speech where one usually sleeps" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case formal speech where one usually sleeps = address.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ADDRESS mean?
ADDRESS noun- Direction.
- Preparation.
- To prepare oneself.
- To direct speech.
- To aim; to direct.
- To prepare or make ready.
- To prepare oneself; to apply one's skill or energies (to some object); to betake.
- To direct one’s remarks (to someone).
- To clothe or array; to dress.
- To direct, as words (to anyone or anything); to make, as a speech, petition, etc. (to any audience).
- To direct speech to; to make a communication to, whether spoken or written; to apply to by words, as by a speech, petition, etc., to speak to.
- To direct in writing, as a letter; to superscribe, or to direct and transmit.
- To make suit to as a lover; to court; to woo.
- To consign or entrust to the care of another, as agent or factor.
- To address oneself to; to prepare oneself for; to apply oneself to; to direct one's speech or discourse to.
- To direct attention towards a problem or obstacle, in an attempt to resolve it.
- To refer to a location in computer memory.
- To get ready to hit (the ball on the tee).