Understanding Sleep Stages

How DreamLink labels the night

DreamLink organizes your sleep into awake, light, deep, and REM periods. Those labels help you see structure and rhythm, not just total duration.

A healthy night is not one long deep-sleep block. Normal sleep cycles move across stages several times, especially in the second half of the night.

What to pay attention to

• Sleep onset latency: how long it took you to settle into sustained sleep
• Continuity: whether the night was broken by frequent arousals
• Deep sleep timing: whether recovery-heavy sleep happened early as expected
• REM pattern: whether dream-heavy sleep concentrated later in the night

What not to overreact to

Single-night changes are often caused by stress, alcohol, travel, temperature shifts, or irregular bedtimes. Trends across seven to fourteen nights matter more than a single dip.