diff --git a/lib/cycle.js b/lib/cycle.js
index 1be36ab..5a01ae8 100644
--- a/lib/cycle.js
+++ b/lib/cycle.js
@@ -50,7 +50,7 @@ export default function config(opts) {
     const i = cycleStartsSortedByDate.indexOf(cycleStart)
     const earlierCycleStart = cycleStartsSortedByDate[i + 1]
     if (!earlierCycleStart) return null
-    return getCycleForStartDay(earlierCycleStart)
+    return getCycleForCycleStartDay(earlierCycleStart)
   }
 
   function getCyclesBefore(targetCycleStartDay) {
@@ -60,10 +60,10 @@ export default function config(opts) {
     if (startFromHere < 0) return null
     return cycleStartsSortedByDate
       .slice(startFromHere)
-      .map(getCycleForStartDay)
+      .map(getCycleForCycleStartDay)
   }
 
-  function getCycleForStartDay(startDay) {
+  function getCycleForCycleStartDay(startDay) {
     const cycleStartIndex = cycleDaysSortedByDate.indexOf(startDay)
     const i = cycleStartsSortedByDate.indexOf(startDay)
     const nextMensesStart = cycleStartsSortedByDate[i - 1]
@@ -81,7 +81,7 @@ export default function config(opts) {
     const dateString = typeof dayOrDate === 'string' ? dayOrDate : dayOrDate.date
     const cycleStart = getLastMensesStartForDay(dateString)
     if (!cycleStart) return null
-    return getCycleForStartDay(cycleStart)
+    return getCycleForCycleStartDay(cycleStart)
   }
 
   function isMensesStart(cycleDay) {
@@ -103,9 +103,7 @@ export default function config(opts) {
 
   function getMensesDaysRightAfter(cycleDay) {
     const bleedingDays = bleedingDaysSortedByDate
-      .filter(d => {
-        return !d.bleeding.exclude
-      })
+      .filter(d => !d.bleeding.exclude)
       .reverse()
     const firstFollowingBleedingDayIndex = bleedingDays.findIndex(day => {
       return day.date > cycleDay.date