睡眠週期計算器

Find suggested bedtimes or wake-up times using simple sleep-cycle timing and a fall-asleep buffer. Use it for quick planning and share the same setup with a URL.

All calculations run in your browser only; nothing is uploaded.

使用此頁面 for bedtime and wake-up planning. It is 不屬於醫療建議 and it does not replace an alarm app.

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如何使用這個計算器

  1. 1. Choose whether you want bedtime suggestions from a wake-up 目標 or wake-up suggestions from a bedtime.
  2. 2. Enter the time, then set the fall-asleep buffer and cycle length in 分鐘.
  3. 3. Compare the 4, 5, and 6 cycle options and pick the one that best matches your 排程.
  4. 4. Copy the URL if you want to reopen or share the same setup later.

模式

選擇您想要起床的時間,然後比较 4、5 和 6 個週期的就寝時間选项。

如果您很少立即入睡,请使用入睡缓冲液。 15 分钟是合理的計畫默认時間。
90 分钟是常见的計畫默认時間。僅當您想要不同的内部假设時才调整它。

Suggested bedtime

Enter your time and assumptions to see the result.

When to use 此頁面

使用此頁面 when you want a quick bedtime or wake-up planning estimate based on editable assumptions.

Use the alarm tool if you need an actual alarm, and use Time Add if you only need generic 時間長度 math.

What 此頁面 does not do

How it’s calculated

The 計算器 converts your input time into 分鐘 since midnight, then adds or subtracts the fall-asleep buffer and a fixed number of cycle-length blocks.

Each option uses the same formula with 4, 5, or 6 cycles. Results wrap around midnight and can show previous-day or next-day labels when needed.

Sleep 時間長度 is cycles × cycle length. Total time in bed adds the fall-asleep buffer on top of that 時間長度.

FAQ

Why is 90 分鐘 the default?

It is a common planning assumption for a rough sleep-cycle estimate. The page lets you edit that number because people may prefer a different assumption.

我应该包括入睡所需的時間吗?

是的。这就是睡眠缓冲区的用途。如果您通常需要 15 分钟左右才能入睡,请保留默认值或根据你的习惯進行调整。

為什么時間按週期排列还是會感觉很累?

真正的睡眠质量不僅僅取决于簡單的時間。压力、疾病、睡眠不足、干扰和许多其他因素都會影响你的休息感觉。

此頁面是醫療建議吗?

不。它只是一個基于瀏覽器的規劃工具。如果睡眠問題影响你的健康或日常生活,请以專業醫療建議作為主要参考。

如果我需要實際警报,我应该使用什么?

使用在线警报工具。此頁面僅建議時間;它不會響鈴、通知或保持執行警报狀態。

下一步

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Comments

Share planning tips, bedtime routine ideas, or how you use the cycle assumptions in practice.