Àwọn Ìṣàmúlò-ètò Ìṣàmúlò-ètò

Wá àwọn àkókò tí o dara jù láti lọ sí ìsàlẹ̀-ilà tàbí láti gbọ́ nínú àwọn ìṣàmúlò-ilà ìsàlẹ̀-ilà ìfẹ́.

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Àwọn Àtòjọ-ẹ̀yàn àwọn ìṣàmúlò-ètò

Ńlà àwọn àwọn ààtò àtòjọ-ẹ̀yàn yìí?

Àkóónú ìṣàmúlò-ètò yìí

A sleep cycle calculator picks the best times to fall asleep or wake up so you rise at the end of a 90-minute cycle rather than the groggy middle. Sleep runs in these cycles of roughly 90 minutes, and this tool works backward from a wake-up time to suggest bedtimes, or forward from a bedtime to suggest wake times, targeting complete 5–6 cycle nights and allowing time to fall asleep. Times can be shown in 24-hour or 12-hour format.

Choose whether you know your wake-up time or your bedtime, then the tool steps in 90-minute cycles from that anchor and lists the times that complete a whole number of cycles. It also adds a buffer (15 minutes by default) for the time it takes to actually drift off, so the cycle clock starts when you fall asleep, not when you get into bed. It highlights the 5- and 6-cycle options — about 7.5 to 9 hours — as the best targets.

For example, to wake at 7:00 am with a 15-minute fall-asleep buffer, good bedtimes are about 9:45 pm (6 cycles) or 11:15 pm (5 cycles), because each leaves you finishing a cycle right at 7:00 am. Working the other way, going to bed at 11:00 pm points to waking near 6:30 am or 8:00 am. Use it to plan a bedtime for an early alarm, or to pick a wake time that avoids the groggy feeling of waking mid-cycle.

Àwọn Àtòjọ-ẹ̀yàn

Ìgbà wò nínú ìjánu-ìjánú ìfẹ́fẹ́ kan?

About 90 minutes on average, moving through light, deep and REM sleep. The calculator aims for whole cycles — typically 5 or 6, i.e. 7.5 to 9 hours — so you wake between cycles rather than mid-cycle.

Kini idi ti o fi fi akoko kun lati fi pamọ́?

You do not fall asleep the instant your head hits the pillow. The calculator adds a buffer (15 minutes by default) so the cycle timing is measured from when you actually drift off, not when you get into bed.

Ìgbà wò ní mò fi yẹ́ kí mò lọ́wọ́lẹ́̀̀ láti fi gbọ́dọ̀ gbọ́dọ̀ lọ́wọ́lẹ́̀ ní àwọn ààyè 6:00 a.m.?

Set the mode to wake at a fixed time, enter 6:00 am, and the tool lists bedtimes that finish a whole cycle by then — typically around 8:45 pm or 10:15 pm once the fall-asleep buffer is included.

Ìgbà wo nínú ìfẹ̀sì nínú ìfẹ̀sì nínú ìfẹ̀sì?

Most adults do well on five or six complete cycles, which is about 7.5 to 9 hours. The calculator flags those options; younger people often need more.

Is the 90-minute cycle exact for everyone?

No. Ninety minutes is an average — real cycles vary from roughly 80 to 100 minutes and change through the night, so treat the suggested times as a helpful guide rather than a precise rule.

O lè sọ fún mì pé mò tí ìgbà tí mò bá fẹ́ gbọ́, tí mò bá tí ìgbà tí mò tí ǹlọ́rà?

Ya. Ṣàfikún sí móòdù àkókò àkókò, ṣàfihàn àkókò tí o fẹ́ lọ sí àkókò, àti àwọn àkókò ìṣàmúlò-ètò nínú ìparí ìṣàmúlò-ètò kọọkan láti jẹ́ pé o lè yan àwọn àkókò tí o fẹ́.

API — ló àwọn ìṣàmúlò-ètò yìí láti inú ìṣàmúlò-ètò

Fi àwọn ìṣàmúlò-ètò yìí kọ̀ǹpútà yìí láti jẹ́ ààyè-iṣẹ́ JSON tí a tí fi pamọ́ - kò ní bọ́tìnì kan tí a fẹ́. Fi àwọn fálù ààyè-iṣẹ́ sílẹ̀ sí bí àwọn àwọn ìṣàmúlò-ètò àti JSON. Anything you omit uses the same default this page is pre-filled with; an unknown parameter is a 400, never a silent zero. Ka àwọn àkọlé API kíkún →

Àwọn Ààyè Ìjánu-ìṣàmúlò-ètò

GET https://calculator.free/api/v1/sleep-cycle/

curl

curl "https://calculator.free/api/v1/sleep-cycle/?mode=wake&time=07:00"

JavaScript `fetch()`

const r = await fetch(
  "https://calculator.free/api/v1/sleep-cycle/?" + new URLSearchParams({
    "mode": "wake",
    "time": "07:00"
  }));
const data = await r.json();
console.log(data.results);

Results are estimates for general guidance only, not financial, medical or tax advice.

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