| 100% | SPELT | 5 | Read out letter-by-letter, British-style (anagram of "slept") |
| 51% | SPELT | 5 | Said letter by letter, British-style |
| 51% | SPELT | 5 | Went letter by letter, British-style |
| 49% | SPELT | 5 | Said letter by letter, in London (anagram of "pelts") |
| 47% | SPELT | 5 | "He ___ out his name." (read it letter by letter) |
| 45% | AWAKED | 6 | Came out of sleep, old-style |
| 45% | SPELT | 5 | Read letter by letter |
| 44% | OED | 3 | British reference book letters (anagram of "deo") |
| 43% | CAUGHTINTHERAIN | 15 | Surprised by a shower ... and a hint involving certain outer letters of 20-, 32- and 40-Across |
| 43% | SAMUELADAMS | 11 | Author of the 1768 Massachusetts Circular Letter that resulted in the occupation of Boston by the British Army |
| 42% | STLOUISMISSOURI | 15 | City with a landmark spelled out by the circled letters, reading left to right |
| 42% | DEAL | 4 | *Pass out the cards ... or a word made by changing one letter of 25a |
| 42% | PHONETIC | 8 | Apt word spelled out by the first letters of eight answers in this puzzle |
| 41% | CHRISTMASEVE | 12 | Apt phrase spelled out by the first letters of the answers to the starred clues |
| 40% | DOORWAY | 7 | Portal represented 20 times in this puzzle that lets you in and out of a confined space (Note: These special letters, reading left to right, row by row, will produce an apt four-word phrase) |
| 40% | AWOKE | 5 | Came out of sleep |
| 40% | WAKING | 6 | Coming out of sleep |
| 40% | ROUSE | 5 | Shake out of sleep |
| 39% | NOD | 3 | Anagram of the letters O-N-D |
| 39% | DON | 3 | Anagram of the letters O-N-D |
| 39% | ANEMIC | 6 | Washed out, anagram of iceman |
| 39% | TWICE | 5 | The Process of Elimination: In the answer to each starred clue, cross out any letter that appears ___; then read the letters that remain |
| 39% | PASSE | 5 | Out of style |
| 39% | DATED | 5 | Out of style |
| 39% | UNPOPULAR | 9 | Out of style |
| 39% | OLD | 3 | Out of style |
| 39% | NATURAL | 7 | With 39-Across, subject of study represented literally by the words spelled out by this puzzle's circled letters |
| 39% | RINGO | 5 | Rock star whose name is spelled out by the middle letters of 16-, 18-, 39-, 61- and 64-Across |
| 39% | INSOMNIA | 8 | Sleeping disorder identified by the lack of sleep |
| 39% | ADENOSINE | 9 | Sleep-prompting chemical; an anagram of none aside |